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Year: 2013  Vol. 17   Num. Suppl. 1  - Print:
CERVICAL FIBROHISTIOCYTOMA: A CASE REPORT
Author(s):
Rebecca Heidrich Thoen, Andrea Goldwasser David, Carlos Barone Junior, Debora Petrungaro Migueis, Leonardo Guimares Rangel, Natlia Raye Maciel
Abstract:

INTRODUCTION: Fibrohistiocytomas are benign or malignant tumors that can be found most commonly in deep skin, but are also seen in bone and soft tissues in any part of the body. Benign fibrohistiocytoma is a solitary tumor composed of histiocytes and fibroblasts usually found in the orbit and in the skin of the fingers. AIM: To report a case of a benign fibrohistiocytoma in a non-typical location. CASE REPORT: MRMA, a 47-year-old white woman, a resident of Rio de Janeiro, presented at the otolaryngology practice with a cervical mass near the mandibular angle on the right that had been growing for the past year. She did not complain of pain, dysphagia, dyspnea, hoarseness, or any other symptom. She had stopped smoking 15 years before, had no history of cancer, and had undergone a thyroidectomy for benign disease. Physical examination demonstrated an elastic mass, approximately 5 cm wide, fixed to the deeper tissues at level IIB on the right side without any clear margin with the inferior portion of the parotid gland. Ultrasound showed no other abnormality in the salivary glands. Puncture of the mass showed no malignant cells. The patient underwent incisional biopsy with a diagnosis of benign fibrohistiocytoma and was referred for a posterior resection of the lesion. Post resection, the problem completely resolved. CONCLUSION: The main differential diagnoses of benign fibrohistiocytoma are malignant fibrohistiocytoma, schwannoma, dermoid cyst, and metastasis. It is important to correctly diagnose this condition since the treatment varies widely depending on the diagnosis.

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