The Open Dentistry Journal




ISSN: 1874-2106 ― Volume 13, 2019
CASE REPORT

Recurrent Peripheral Giant Cell Granuloma: A Case Report



Catarina Ribeiro Barros de Alencar1, Damião Edgleys Porto2, Alidianne Fábia Cabral Cavalcanti1, Alessandro Leite Cavalcanti1, *
1 School of Dentistry, State University of Paraiba, Campina Grande, PB, Brazil
2 School of Dentistry, Federal University of Paraiba, João Pessoa, PB, Brazil

Abstract

Objective:

This article describes a case of a Peripheral Giant Cell Granuloma (PGCG) in a girl.

Introduction:

PGCG is a relatively infrequent benign reactive lesion of the gingiva or alveolar ridge that develops in response to local irritation. Clinical appearance consists of a firm or soft smooth surface nodule in dissimilar colors of varying size with sessile or pedunculated implantation base. Radiographic features are generally nonspecific, thereby definitive diagnosis depends on microscopic examination to confirm the entity of PGCG.

Case Report:

A 6-year-old female patient was referred to the outpatient clinic of an Oral & Maxillofacial Surgery Department with the chief complaint of an intraoral swelling. The intraoral examination showed a painless sessile mass with exophytic growth similar to a tumorous lesion located on the mandibular alveolar ridge extending from distal aspect of right mandibular primary canine to mesial aspect of first permanent molar of the same side.

Conclusion:

Peripheral giant cell granuloma is a relatively uncommon lesion in children and potential for collaboration with the treatment in young patients should be considered for a successful therapeutic approach.

Keywords: Diagnosis, Granuloma giant cell, Gingival overgrowth, Mandible, Biopsy, Recurrence.


Article Information


Identifiers and Pagination:

Year: 2018
Volume: 12
First Page: 1043
Last Page: 1049
Publisher Id: TODENTJ-12-1043
DOI: 10.2174/1874210601812011043

Article History:

Received Date: 25/9/2018
Revision Received Date: 31/10/2018
Acceptance Date: 18/11/2018
Electronic publication date: 30/11/2018
Collection year: 2018

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© 2018 Barros de Alencar et al.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


* Address Correspondence to this author at the School of Dentistry, State University of Paraiba, Rua das Baraúnas, S/N – Bodocongo, Campina Grande, PB, 58429-500, Brazil, Tel: +55 83 3315-3326; E-mail: dralessandro@ibest.com.br




1. INTRODUCTION

The Peripheral Giant Cell Granuloma (PGCG) has been well documented as a reactive hyperplastic extra-osseus lesion characterized by non-neoplastic nodular swellings that develop in response to chronic tissue injury leading to exuberant tissue response originated from periosteal or periodontal ligament cells [1Bodner L, Peist M, Gatot A, Fliss DM. Growth potential of peripheral giant cell granuloma. Oral Surg Oral Med Oral Pathol Oral Radiol Endod 1997; 83(5): 548-51.[http://dx.doi.org/10.1016/S1079-2104(97)90118-9] [PMID: 9159813] -4Mannem S, Chava VK. Management of an unusual peripheral giant cell granuloma: A diagnostic dilemma. Contemp Clin Dent 2012; 3(1): 93-6.[http://dx.doi.org/10.4103/0976-237X.94556] [PMID: 22557907] ]. Irritating factors including dental plaque and calculus, food impaction, chronic infections, periodontal disease or periodontal surgery, defective restorations, ill-fitting appliances and trauma from tooth extractions are described as possible etiological factors of PGCG [5Grand E, Burgener E, Samson J, Lombardi T. Post-traumatic development of a peripheral giant cell granuloma in a child. Dent Traumatol 2008; 24(1): 124-6.[http://dx.doi.org/10.1111/j.1600-9657.2006.00504.x] [PMID: 18173683] , 6Patil KP, Kalele KP, Kanakdande VD. Peripheral giant cell granuloma: A comprehensive review of an ambiguous lesion. J Int Clin Dent Res Org 2014; 6: 118.[http://dx.doi.org/10.4103/2231-0754.143501] ].

While a wide range of factors could be related to the emergence of PGCG, it is a relatively uncommon lesion [4Mannem S, Chava VK. Management of an unusual peripheral giant cell granuloma: A diagnostic dilemma. Contemp Clin Dent 2012; 3(1): 93-6.[http://dx.doi.org/10.4103/0976-237X.94556] [PMID: 22557907] ] that occurs in the young as well in the elderly population, although occurrences seem to increase with age [3Lester SR, Cordell KG, Rosebush MS, Palaiologou AA, Maney P. Peripheral giant cell granulomas: A series of 279 cases. Oral Surg Oral Med Oral Pathol Oral Radiol 2014; 118(4): 475-82.[http://dx.doi.org/10.1016/j.oooo.2014.06.004] [PMID: 25240995] ]. So that only about 20-30% of cases manifest in the1st and in the 2nd decades of life [7Giansanti JS, Waldron CA. Peripheral giant cell granuloma: Review of 720 cases. J Oral Surg 1969; 27(10): 787-91.[PMID: 5258991] ]and just 9% of thecasesoccurin children aged up to 10 years [8Katsikeris N, Kakarantza-Angelopoulou E, Angelopoulos AP. Peripheral giant cell granuloma. Clinicopathologic study of 224 new cases and review of 956 reported cases. Int J Oral Maxillofac Surg 1988; 17(2): 94-9.[http://dx.doi.org/10.1016/S0901-5027(88)80158-9] [PMID: 3133432] ].

Peripheral giant cell granuloma clinically manifests as a painless smooth surface lesion, the size of which ranges from a few millimeters to several centimeters, brown, reddish or purple colored with sessile or pedunculate implantation base and consistency that varies from soft to firm [1Bodner L, Peist M, Gatot A, Fliss DM. Growth potential of peripheral giant cell granuloma. Oral Surg Oral Med Oral Pathol Oral Radiol Endod 1997; 83(5): 548-51.[http://dx.doi.org/10.1016/S1079-2104(97)90118-9] [PMID: 9159813] , 8Katsikeris N, Kakarantza-Angelopoulou E, Angelopoulos AP. Peripheral giant cell granuloma. Clinicopathologic study of 224 new cases and review of 956 reported cases. Int J Oral Maxillofac Surg 1988; 17(2): 94-9.[http://dx.doi.org/10.1016/S0901-5027(88)80158-9] [PMID: 3133432] , 9Rossmann JA. Reactive lesions of the gingiva: Diagnosis and treatment options. Open Pathol J 2011; 5: 23-32.[http://dx.doi.org/10.2174/1874375701105010023] ]. Microscopically, a distinctive feature of PGCG is the abundance multinucleated giant cells [8Katsikeris N, Kakarantza-Angelopoulou E, Angelopoulos AP. Peripheral giant cell granuloma. Clinicopathologic study of 224 new cases and review of 956 reported cases. Int J Oral Maxillofac Surg 1988; 17(2): 94-9.[http://dx.doi.org/10.1016/S0901-5027(88)80158-9] [PMID: 3133432] ] which enable it to be differentiated from similar other reactive oral lesions like pyogenic granuloma and peripheral ossifying fibroma, but is the same characteristic of central giant cell granuloma [7Giansanti JS, Waldron CA. Peripheral giant cell granuloma: Review of 720 cases. J Oral Surg 1969; 27(10): 787-91.[PMID: 5258991] ]. Therefore, only radiological evaluation can establish the distinction between peripheral form and central giant cell granuloma, which is an intrabony benign neoplasm of the jawbone [10Abu Gharbyah AZ, Assaf M. Management of a Peripheral Giant cell granuloma in the esthetic area of upper jaw: A case report. Int J Surg Case Rep 2014; 5(11): 779-82. [http://dx.doi.org/ 10.1016/j.ijscr.2014.09.014]. [PMID: 25290380].[http://dx.doi.org/10.1016/j.ijscr.2014.09.014] [PMID: 25290380] ].

The treatment of choice of PGCG is to eliminate the entire base of the lesion and also local factors [8Katsikeris N, Kakarantza-Angelopoulou E, Angelopoulos AP. Peripheral giant cell granuloma. Clinicopathologic study of 224 new cases and review of 956 reported cases. Int J Oral Maxillofac Surg 1988; 17(2): 94-9.[http://dx.doi.org/10.1016/S0901-5027(88)80158-9] [PMID: 3133432] , 11Babu B, Hallikeri K. Reactive lesions of oral cavity: A retrospective study of 659 cases. J Indian Soc Periodontol 2017; 21(4): 258-63.[PMID: 29456298] ]. The recurrence rate after local excision is around 10% [8Katsikeris N, Kakarantza-Angelopoulou E, Angelopoulos AP. Peripheral giant cell granuloma. Clinicopathologic study of 224 new cases and review of 956 reported cases. Int J Oral Maxillofac Surg 1988; 17(2): 94-9.[http://dx.doi.org/10.1016/S0901-5027(88)80158-9] [PMID: 3133432] ], probably attributed to the surgical technique used to excise the lesion [12Nedir R, Lombardi T, Samson J. Recurrent peripheral giant cell granuloma associated with cervical resorption. J Periodontol 1997; 68(4): 381-4.[http://dx.doi.org/10.1902/jop.1997.68.4.381] [PMID: 9150044] ].

Thus, the present case report describes the clinical and histopathological features of a PGCG and the atypical management of a recurrent lesion in a 6-year-old non-cooperative girl.

2. CASE REPORT

A 6-year-old female patient was referred to the outpatient clinic of an Oral and Maxillofacial Surgery Department with a chief complaint of an intraoral swelling. First and second primary molars were extracted by a general dentist and after that, the reactive lesion has been progressively growing. It was reported that the patient had undergone a surgical procedure twice to excise the lesion in another dental service, with signs of recurrence.

Preliminary inquisition of medical history includes no complication and hematological reports were noncontributory. There was nothing noteworthy at the extraoral physical examination, with no palpable regional lymph nodes.

The patient was in mixed dentition with some active carious lesions and poor oral hygiene. The intraoral examination showed a painless sessile mass with exophytic growth similar to a tumorous lesion located on the mandibular alveolar ridge extending from distal aspect of right mandibular primary canine to mesial aspect of first permanent molar of the same side. The lesion was light pink to purple colored, well defined and rounded, with approximately 3 cm in its largest diameter (Fig. 1). On palpation, the lesion had a smooth surface and firm consistency with no tendency to bleed.

Fig. (1)
Intra-oral clinical presentation of gingival swelling.


No radiographic change was observed, since there was no bony involvement of the lesion (Figs. 2 and 3). Axial section of cone beam computed tomography revealed a nodular image with soft-tissue density, partially clear limits, measuring approximately 2.0 x 2.0 x 1.0 cm located in the soft tissues of the right side of the mandible.

Fig. (2)
Orthopantomogram showing no change in the lesion region.


Fig. (3)
Intra-oral radiograph showing a slight radiolucent image above unerupted premolars.


These clinical and radiographic findings indicated a benign lesion and definitive diagnosis was confirmed after histopathologic examination of incisional biopsy specimen. Microscopic examination showed abundant multinucleated giant cells organized in foci through dense fibrous connective tissue, which exhibited collagen fibers arranged in parallel bundles and bulky fibroblasts sometimes ovoid sometimes spindle-shaped (Figs. 4A and 4B). The presence of these features is indicative of Peripheral Giant Cell Granuloma (PGCG).

Figs. (4)
A & B) Photomicrography in smaller and larger magnification respectively, showing numerous multinucleated giant cells organized in foci, permeated by dense fibrous connective tissue.


3. RESULTS

A decision was thus made to excise the lesion. The surgical procedure was performed under general anesthesia with nasotracheal intubation and local infiltration of Prilocaine Hydrochloride 3% + Felipressin 0.03 IU / ml (Cristália Produtos Químicos Farmacêuticos, Itapira, SP, Brazil) with a sterilized cold scalpel nº 15 (Lamedid Com. Serv., Osasco, SP, Brazil). Care was taken to remove the entire base of the lesion. Then, the surgical wound was cauterized with an electric scalpel (Mastercut 70W, Medical Cirurgica Ltda., São Paulo, SP, Brazil) followed by irrigation with 0.9% saline solution and removal of debris. After achieving proper hemostasis, interrupted sutures were placed to close the defect with 3-0 silk suture. Excised lesion measuring approximately 2.5x 2.0 x 1.0 cm was stored in 10% formalin and sent for histopathological examination to confirm the diagnosis of PGCG.

Sutures were removed after 7 days and the treated area was still in healing phase. The child and her caregivers were advised of the importance of oral hygiene procedures for complete tissue healing.

4. DISCUSSION

Reactive Lesions (RLs) comprise Pyogenic Granuloma (PG), Fibrous Hyperplasia (FH), Peripheral Ossifying Fibroma (POF) and Peripheral Giant-Cell Granuloma (PGCG) [13Kfir Y, Buchner A, Hansen LS. Reactive lesions of the gingiva. A clinicopathological study of 741 cases. J Periodontol 1980; 51(11): 655-61.[http://dx.doi.org/10.1902/jop.1980.51.11.655] [PMID: 6936553] ]. All these reactive lesions are typically developed in response to chronic inflammation caused by various forms of low-grade chronic irritations to the oral mucosa [13Kfir Y, Buchner A, Hansen LS. Reactive lesions of the gingiva. A clinicopathological study of 741 cases. J Periodontol 1980; 51(11): 655-61.[http://dx.doi.org/10.1902/jop.1980.51.11.655] [PMID: 6936553] ]. In looking at factors that may have contributed to the development of PGCG lesions, some authors pointed out that in a total of 279 lesions pathology request forms indicated that only 18 referenced a recent extraction site [3Lester SR, Cordell KG, Rosebush MS, Palaiologou AA, Maney P. Peripheral giant cell granulomas: A series of 279 cases. Oral Surg Oral Med Oral Pathol Oral Radiol 2014; 118(4): 475-82.[http://dx.doi.org/10.1016/j.oooo.2014.06.004] [PMID: 25240995] ], the presumed etiology of the lesion presented by our patient.

RLs often pose diagnostic challenges due to their overlapping clinical features [14Narwal A, Bala S. Osteopontin expression and clinicopathologic correlation of oral hyperplastic reactive lesions: An institutional 6-year retrospective study. J Oral Maxillofac Pathol 2017; 21(3): 382-6.[http://dx.doi.org/10.4103/jomfp.JOMFP_231_15] [PMID: 29391712] ]. Therefore, the differential diagnosis of PGCG includes besides the other reactive lesions [13Kfir Y, Buchner A, Hansen LS. Reactive lesions of the gingiva. A clinicopathological study of 741 cases. J Periodontol 1980; 51(11): 655-61.[http://dx.doi.org/10.1902/jop.1980.51.11.655] [PMID: 6936553] ], fibrous epulis, peripheral odontogenic fibroma, papilloma, hemangioma, lymphangioma, metastatic tumors of gingiva, nevi or other nodular melanomas and other inflammatory hyperplastic lesions [15Flaitz CM. Peripheral giant cell granuloma: A potentially aggressive lesion in children. Pediatr Dent 2000; 22(3): 232-3.[PMID: 10846736] , 16Adlakha VK, Chandna P, Rehani U, Rana V, Malik P. Peripheral giant cell granuloma. J Indian Soc Pedod Prev Dent 2010; 28(4): 293-6.[http://dx.doi.org/10.4103/0970-4388.76161] [PMID: 21273719] ] all of which present with similar clinical and radiographic findings. Thus, careful medical history followed by complete physical, imaginological, and histopathological examination are critical procedures in the diagnosis process, aiming for a correct treatment plan, thereby reducing the possibility of recurrence and morbidity for patients [17Volpato LE, Leite CA, Anhesini BH, Aguilera JM, Borges ÁH. Peripheral giant cell Granuloma in a child associated with eruption and traumatic habit with control of four years. Case Rep Dent 2016; 2016: 6725913.[http://dx.doi.org/10.1155/2016/6725913] [PMID: 27999690] , 18Paglia L. CBCT or not CBCT: That is the question. Pesq Bras Odontoped Clin Integr 2017; 17(1): e3725.[http://dx.doi.org/10.4034/PBOCI.2017.171.ed2] ].

Regarding clinical characteristics, majority of the studies indicate that PGCG is more common in the mandible than in the maxilla [3Lester SR, Cordell KG, Rosebush MS, Palaiologou AA, Maney P. Peripheral giant cell granulomas: A series of 279 cases. Oral Surg Oral Med Oral Pathol Oral Radiol 2014; 118(4): 475-82.[http://dx.doi.org/10.1016/j.oooo.2014.06.004] [PMID: 25240995] , 8Katsikeris N, Kakarantza-Angelopoulou E, Angelopoulos AP. Peripheral giant cell granuloma. Clinicopathologic study of 224 new cases and review of 956 reported cases. Int J Oral Maxillofac Surg 1988; 17(2): 94-9.[http://dx.doi.org/10.1016/S0901-5027(88)80158-9] [PMID: 3133432] , 19Said Ahmed W. Efficacy of ethanolamine oleate sclerotherapy in treatment of peripheral giant cell granuloma. J Oral Maxillofac Surg 2016; 74(11): 2200-6.[http://dx.doi.org/10.1016/j.joms.2016.04.025] [PMID: 27235183] , 20Pandolfi PJ, Felefli S, Flaitz CM, Johnson JV. An aggressive peripheral giant cell granuloma in a child. J Clin Pediatr Dent 1999; 23(4): 353-5.[PMID: 10551138] ] and it occurs in the incisor and canine region [7Giansanti JS, Waldron CA. Peripheral giant cell granuloma: Review of 720 cases. J Oral Surg 1969; 27(10): 787-91.[PMID: 5258991] ], although according to some other authors, these lesions are located posteriorly more than anteriorly [19Said Ahmed W. Efficacy of ethanolamine oleate sclerotherapy in treatment of peripheral giant cell granuloma. J Oral Maxillofac Surg 2016; 74(11): 2200-6.[http://dx.doi.org/10.1016/j.joms.2016.04.025] [PMID: 27235183] , 20Pandolfi PJ, Felefli S, Flaitz CM, Johnson JV. An aggressive peripheral giant cell granuloma in a child. J Clin Pediatr Dent 1999; 23(4): 353-5.[PMID: 10551138] ], as observed in the present case. The lesion seems to have a slight female predilection and although it may develop at any age, it is most often observed in adults and the elderly people [1Bodner L, Peist M, Gatot A, Fliss DM. Growth potential of peripheral giant cell granuloma. Oral Surg Oral Med Oral Pathol Oral Radiol Endod 1997; 83(5): 548-51.[http://dx.doi.org/10.1016/S1079-2104(97)90118-9] [PMID: 9159813] , 3Lester SR, Cordell KG, Rosebush MS, Palaiologou AA, Maney P. Peripheral giant cell granulomas: A series of 279 cases. Oral Surg Oral Med Oral Pathol Oral Radiol 2014; 118(4): 475-82.[http://dx.doi.org/10.1016/j.oooo.2014.06.004] [PMID: 25240995] , 8Katsikeris N, Kakarantza-Angelopoulou E, Angelopoulos AP. Peripheral giant cell granuloma. Clinicopathologic study of 224 new cases and review of 956 reported cases. Int J Oral Maxillofac Surg 1988; 17(2): 94-9.[http://dx.doi.org/10.1016/S0901-5027(88)80158-9] [PMID: 3133432] , 15Flaitz CM. Peripheral giant cell granuloma: A potentially aggressive lesion in children. Pediatr Dent 2000; 22(3): 232-3.[PMID: 10846736] , 19Said Ahmed W. Efficacy of ethanolamine oleate sclerotherapy in treatment of peripheral giant cell granuloma. J Oral Maxillofac Surg 2016; 74(11): 2200-6.[http://dx.doi.org/10.1016/j.joms.2016.04.025] [PMID: 27235183] ].

Consequently, few reports have been described of PGCG in children [16Adlakha VK, Chandna P, Rehani U, Rana V, Malik P. Peripheral giant cell granuloma. J Indian Soc Pedod Prev Dent 2010; 28(4): 293-6.[http://dx.doi.org/10.4103/0970-4388.76161] [PMID: 21273719] , 17Volpato LE, Leite CA, Anhesini BH, Aguilera JM, Borges ÁH. Peripheral giant cell Granuloma in a child associated with eruption and traumatic habit with control of four years. Case Rep Dent 2016; 2016: 6725913.[http://dx.doi.org/10.1155/2016/6725913] [PMID: 27999690] , 20Pandolfi PJ, Felefli S, Flaitz CM, Johnson JV. An aggressive peripheral giant cell granuloma in a child. J Clin Pediatr Dent 1999; 23(4): 353-5.[PMID: 10551138] , 21Vaidya K, Sarode GS, Sarode SC, Majumdar B, Patil S. Peripheral giant cell granuloma recurring as an exclusively intra-osseous lesion: An unusual clinical presentation. Clin Pract 2018; 8(1): 1023.[http://dx.doi.org/10.4081/cp.2018.1023] [PMID: 29383230] ], in which these lesions might show a rapid growth as well as aggressive and recurrent behavior in younger patients [5Grand E, Burgener E, Samson J, Lombardi T. Post-traumatic development of a peripheral giant cell granuloma in a child. Dent Traumatol 2008; 24(1): 124-6.[http://dx.doi.org/10.1111/j.1600-9657.2006.00504.x] [PMID: 18173683] ]. Moreover, dentoalveolar problems, including alveolar bone loss and tooth displacement or resorption of the subjacent teeth roots may arise [15Flaitz CM. Peripheral giant cell granuloma: A potentially aggressive lesion in children. Pediatr Dent 2000; 22(3): 232-3.[PMID: 10846736] ]. PGCG may also interfere with the eruption of adjacent teeth [20Pandolfi PJ, Felefli S, Flaitz CM, Johnson JV. An aggressive peripheral giant cell granuloma in a child. J Clin Pediatr Dent 1999; 23(4): 353-5.[PMID: 10551138] ] as was identified in the present case in which the crown of the underlying premolar can already be observed in the postoperative control.

Malignant transformation of PGCG has never been reported but some authors recently described an unprecedented case of giant cell lesions of the jaws [21Vaidya K, Sarode GS, Sarode SC, Majumdar B, Patil S. Peripheral giant cell granuloma recurring as an exclusively intra-osseous lesion: An unusual clinical presentation. Clin Pract 2018; 8(1): 1023.[http://dx.doi.org/10.4081/cp.2018.1023] [PMID: 29383230] ], wherein a peripheral giant cell granuloma recurred exclusively as a central giant cell lesion in a young patient. The present case did not show any significant involvement of bone on radiological examination, which was also confirmed during the intra-operative procedure.

For the case described, considering the occurrence of successive recurrences that determined the need for repeated invasive clinical procedures in a short period of time and, in the face of this, a not very cooperative behavior identified in the clinical examination, it was decided to perform incisional biopsy due to the extensive size of the lesion and expected wound management complication. Despite similar cases of PGCG in children treated in dental outpatient clinics [16Adlakha VK, Chandna P, Rehani U, Rana V, Malik P. Peripheral giant cell granuloma. J Indian Soc Pedod Prev Dent 2010; 28(4): 293-6.[http://dx.doi.org/10.4103/0970-4388.76161] [PMID: 21273719] , 17Volpato LE, Leite CA, Anhesini BH, Aguilera JM, Borges ÁH. Peripheral giant cell Granuloma in a child associated with eruption and traumatic habit with control of four years. Case Rep Dent 2016; 2016: 6725913.[http://dx.doi.org/10.1155/2016/6725913] [PMID: 27999690] , 21Vaidya K, Sarode GS, Sarode SC, Majumdar B, Patil S. Peripheral giant cell granuloma recurring as an exclusively intra-osseous lesion: An unusual clinical presentation. Clin Pract 2018; 8(1): 1023.[http://dx.doi.org/10.4081/cp.2018.1023] [PMID: 29383230] ], in the management of the present case after the diagnosis was confirmed, surgical removal of the lesion under general anesthesia was chosen so that the child's lack of collaboration was not a reason for incomplete removal of the lesion during the surgical procedure, since it is believed that recurrences are related to the lack of inclusion of the periosteum or periodontal ligament in the excised lesion [19Said Ahmed W. Efficacy of ethanolamine oleate sclerotherapy in treatment of peripheral giant cell granuloma. J Oral Maxillofac Surg 2016; 74(11): 2200-6.[http://dx.doi.org/10.1016/j.joms.2016.04.025] [PMID: 27235183] ] and a superficial excision is prone to be performed in a patient with unfavorable behavior.

Accordingly, recommended management of peripheral giant cell granuloma aims at elimination of the entire base of the growth accompanied by eliminating any local irritating factors, as was followed in our case. The various modalities used to excise the lesion are cold scalpel, electrocautery and carbon dioxide laser and literature shows no difference between cold scalpel and CO2 laser resection of PGCG [2Chaparro-Avendaño AV, Berini-Aytés L, Gay-Escoda C. Peripheral giant cell granuloma. A report of five cases and review of the literature. Med Oral Patol Oral Cir Bucal 2005; 10(1): 53-57, 48-52.[PMID: 15627908] ].

Regardless of the technique employed, successful treatment involves obtaining a precise diagnosis throughout histopathologic analysis, complete removal of the lesion accompanied by eliminating any local irritating factors, particularly emphasizing recommendations of oral hygiene maintenance [11Babu B, Hallikeri K. Reactive lesions of oral cavity: A retrospective study of 659 cases. J Indian Soc Periodontol 2017; 21(4): 258-63.[PMID: 29456298] ], as was followed in the presented case.

Close follow-up is also indicated because of the recurrence rate in order to early diagnose complications or lesion relapses aiming at a more conservative management [4Mannem S, Chava VK. Management of an unusual peripheral giant cell granuloma: A diagnostic dilemma. Contemp Clin Dent 2012; 3(1): 93-6.[http://dx.doi.org/10.4103/0976-237X.94556] [PMID: 22557907] ]. In our case, reassessments after postoperative control were not established because the treatment was performed in a dental service inserted in a hospital with urgent and emergency care. However, it is assumed that successive relapses of the lesion occurred due to the excision technique not steered precisely, lacking inclusion of entire base of the lesion in the excised specimen [6Patil KP, Kalele KP, Kanakdande VD. Peripheral giant cell granuloma: A comprehensive review of an ambiguous lesion. J Int Clin Dent Res Org 2014; 6: 118.[http://dx.doi.org/10.4103/2231-0754.143501] ].

CONCLUSION

Peripheral giant cell granuloma is a relatively uncommon lesion in children and potential for collaboration with the treatment in young patients should be considered for a successful therapeutic approach. The successive recurrences of the PGCG lesion, in this case, were attributed to inappropriate surgical technique induced by the child's lack of collaboration during the excision procedure. Therefore, general anesthesia was used to enable complete removal of the lesion, minimizing the risk of recurrence also talking into account the psychologically comfort of the young patient.

ETHICS APPROVAL AND CONSENT TO PARTICIPATE

This study was approved by the Committee on Ethics of the State University of Paraiba, school of Dentistry, Campina Grande, Brazil.

HUMAN AND ANIMAL RIGHTS

No Animals were used in this research. All human research procedures followed were in accordance with the ethical standards of the committee responsible for human experimentation (institutional and national), and with the Helsinki Declaration of 1975, as revised in 2013.

CONSENT FOR PUBLICATION

Patient’s consent was requested and approved by the patient himself and by his mother.

CONFLICT OF INTEREST

The authors declare no conflict of interest, financial or otherwise.

ACKNOWLEDGEMENTS

Declared none.

REFERENCES

[1] Bodner L, Peist M, Gatot A, Fliss DM. Growth potential of peripheral giant cell granuloma. Oral Surg Oral Med Oral Pathol Oral Radiol Endod 1997; 83(5): 548-51.[http://dx.doi.org/10.1016/S1079-2104(97)90118-9] [PMID: 9159813]
[2] Chaparro-Avendaño AV, Berini-Aytés L, Gay-Escoda C. Peripheral giant cell granuloma. A report of five cases and review of the literature. Med Oral Patol Oral Cir Bucal 2005; 10(1): 53-57, 48-52.[PMID: 15627908]
[3] Lester SR, Cordell KG, Rosebush MS, Palaiologou AA, Maney P. Peripheral giant cell granulomas: A series of 279 cases. Oral Surg Oral Med Oral Pathol Oral Radiol 2014; 118(4): 475-82.[http://dx.doi.org/10.1016/j.oooo.2014.06.004] [PMID: 25240995]
[4] Mannem S, Chava VK. Management of an unusual peripheral giant cell granuloma: A diagnostic dilemma. Contemp Clin Dent 2012; 3(1): 93-6.[http://dx.doi.org/10.4103/0976-237X.94556] [PMID: 22557907]
[5] Grand E, Burgener E, Samson J, Lombardi T. Post-traumatic development of a peripheral giant cell granuloma in a child. Dent Traumatol 2008; 24(1): 124-6.[http://dx.doi.org/10.1111/j.1600-9657.2006.00504.x] [PMID: 18173683]
[6] Patil KP, Kalele KP, Kanakdande VD. Peripheral giant cell granuloma: A comprehensive review of an ambiguous lesion. J Int Clin Dent Res Org 2014; 6: 118.[http://dx.doi.org/10.4103/2231-0754.143501]
[7] Giansanti JS, Waldron CA. Peripheral giant cell granuloma: Review of 720 cases. J Oral Surg 1969; 27(10): 787-91.[PMID: 5258991]
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