Searchable abstracts of presentations at key conferences in endocrinology
Endocrine Abstracts (2016) 41 EP348 | DOI: 10.1530/endoabs.41.EP348

ECE2016 Eposter Presentations Clinical case reports - Thyroid/Others (71 abstracts)

A rare case of dermoid cyst of the neck – clinical presentation and surgical treatment

Nada Santrac 1 , Merima Goran 1 , Ivan Markovic 1, , Marko Buta 1, , Igor Djurisic 1 , Silvana Lukic 3 & Radan Dzodic 1,

1Institute for Oncology and Radiology of Serbia, Surgical Oncology Clinic, Belgrade, Serbia; 2Medical School, University of Belgrade, Belgrade, Serbia; 3Department of Pathology, Institute for Oncology and Radiology of Serbia, Belgrade, Serbia.

Introduction: Dermoid cysts are usually presented as solitary hamartomatous tumor, containing all skin adnexa. They can be found in the skin and subcutis of the face and neck; or can be intracranial, intraspinal, or intra-abdominal, localized in the ovary or omentum. Cutaneous cysts most commonly appear on the forehead, around eyes, as well as on the floor of the mouth, rarely on the neck.

Case report: We present a 24-year-old female patient with a dermoid cyst in the jugulum that was operated in our Institution. Patient initially noticed painless tumor mass lower on the neck. Physical and ultrasonical examination showed well-marginated, semi-solid, semi-cystic tumor mass in the jugulum, approximately 50 mm in size, localized anteriorly to infrahyoid muscles and trachea, with no connection to thyroid gland. Patient was asymptomatic. No fine-needle aspiration biopsy was done. After adequate preparation, patient was operated in general anaesthesia. Through minimal skin incision on the anterior of the neck, just above the tumor mass, the cystic lesion was completely removed from the front of trachea and infrahyoid muscles, with the intact wall. Frozen section histopathology analysis showed dermoid cyst. On definite histopathology these findings were confirmed. The cyst was 46×42×25 mm (CCxLLxAP) in size, with keratinized stratified epithelium covering the cyst wall, and sebaceous and sweat glands, as well as hair follicles and hair within. Patient was released from hospital on first postoperative day, with full recovery.

Conclusions: Dermoid cysts of the neck are rare and can often be misdiagnosed with thyroid tumors. Ultrasound and magnetic resonance imaging are helpful in making the correct differential diagnosis. Surgery is the treatment of choice, especially due to possible malignant alteration. However, surgical manipulation has to be delicate, since cyst content, especially if with bacterial infection, may spread into the surrounding tissues and cause severe complications.

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