DOI: http://dx.doi.org/10.18203/issn.2454-2156.IntJSciRep20192799

An unusual giant schwannoma over face diagnosed on FNAC: a case report

Minakashi Chouhan, Mukul Singh, Shweta Sushmita, Juhi Shahab, Rashmi Arora

Abstract


Schwannoma is a slow growing benign peripheral nerve sheath tumor arising from schwann cells. It is also known as neurilemmoma. Although it is common in the head and neck region, it rarely exceeds 10 cm in size. Usually Schwannomas are not larger than 5 to 6 cm in diameter. Large tumors are uncommon and are found in posterior mediastinum or retroperitoneum. We are presenting an unusual giant cell schwannoma over face (cheek) measuring 12×10 cms in size which caused facial deformity to the patient. The tumor was diagnosed on FNAC where cell block was prepared and IHC was done which showed S-100 positivity. This size schwannoma over cheek site has not been reported in the literature as far our knowledge. Therefore this case is unique for its size over face.


Keywords


Giant schwannoma, Face schwannoma, Unusual schwannoma, Cell block, FNAC schwannoma, Cheek swelling

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References


Holdsworth BJ. Nerve tumours in the upper limb. A clinical review. J Hand Surg Br. 1985;10(2):236–8.

Kang GC, Soo KC, Lim DT. Extracranial non-vestibular head and neck schwannomas: a ten-year experience. Ann Acad Med Singapore. 2007;36:233–8.

Radojkovic M, Mihailovic D, Stojanovic M, Radojković D. Large retroperitoneal schwannoma: a rare cause of chronic back pain. J Int Med Res. 2018;46(8):3404-10.

Stephen SS, Mills SE, Carter D. Sternberg's Diagnostic Surgical Pathology. 6th edition. Philadelphia: Wolters Kluwer Health/Lippincott Williams & Wilkins; 2015: 203.

Muratori F, De Gori M, Campo FR, Bettini L, D’Arienzo A, Scoccianti G, et al. Giant schwannoma of the foot: a case report and literature review. Clin Cases Miner Bone Metab. 2017;14(2):265-8.

Pongsthorn C, Ozawa H, Aizawa T, Kusakabe T, Nakamura T, Itoi E. Giant sacral schwannoma: a report of six cases. Ups J Med Sci. 2010;115(2):146-52.

Öğrenci A, Koban O, Şentürk S, Yaman O, Sasani M, Dalbayrak S, et al. Giant Spinal Schwannomas. Clin Surg. 2017;2:1593.

Sa Rodrigues A, Vidinha V, Negrao P. Giant schwannoma of ulnar nerve: case report. Rev Bras Ortop. 2017;52(2):224–22.

Clarençon F, Jafari A, Lefevre M, Périé S, Angelard B, Marsault C, et al. Infraorbital nerve schwannoma. J Neuroradiol. 2009;36:301–3.

Choi BH, Park SW, Son JH, Cho YC, Sung IY, Byun KJ, et al. Schwannoma in the maxillary sinus and buccal space: Case report. J Korean Assoc Oral Maxillofac Surg. 2009;35:494–8.

Ha W, Lee JW, Choi J, Yang SW, Kim SY. Schwannoma originating from infraorbital nerve. Arch Craniofac Surg. 2013;14:61–4.

Raviraj GA, Thomas R, Dhanraj GA, Rao US. Pediatric infraorbital nerve schwannoma: a rare clinical entity. Int J Head Neck Surg. 2011;2:73–5.