Spinal Intradural Extramedullary Dermoid Cyst

Khalighinejad, Farnaz; Hajizadeh, Mahsa; Mokhtari, Ali Mohammad; Rakhshan, Reza; Hajizadeh, Majid; Rezvani, Majid

doi:10.1016/j.wneu.2019.11.073

Cited by 2 publications

(1 citation statement)

References 10 publications

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“…Dermoid cysts are rare, benign cutaneous tumors (1-3), which are often congenital and present at birth (3)(4)(5)(6). These cysts can contain all three embryonic layers, and their anomaly is caused by the migration of the ectodermal layer through the lines of skin's merger (3,7,8). Dermoid cysts are most commonly found in the ovaries, the testes, retroperitoneum, sacrococcygeal region and on the head, nose, neck as well as the frontal, orbital and oral cavities (3,4,(9)(10)(11).…”

Section: Introductionmentioning

confidence: 99%

Thymic Dermoid Cyst: A Rare Anterior Mediastinal Mass

Afghani

Cheraghali

Mehrjerdian

et al. 2021

jcbr

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Background: Thymic epidermoid cysts are very rare. These masses arise from migration of ectodermal cells into the tissue that does not contain these cells. The imaging findings are nonspecific and surgical excision is required to reach definitive diagnosis. Case description:We describe an asymptomatic woman in her early 40s with an anterior mediastinal mass detected in the spiral chest CT scan for COVID 19. She underwent thymectomy and the histopathological exam revealed a dermoid cyst in thymus gland. Conclusion:The dermoid cysts etiology is unknown and there are many unproven theories. The clinical sign, symptoms and location of the cyst can be variable. Our case was asymptomatic and the cyst was accidently found in the imaging. The initial diagnosis was a thymoma and at the patient's insistence, cystectomy was performed and pathological findings indicated a thymic dermoid cyst.

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