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Lingual dermoid cyst with congenital discharging sinus: a rare entity

  • Z Sun (a1), L Sun (a2), Y Gao (a3) and X Ma (a1)



There have been few reports of lingual dermoid cysts with a congenital discharging fistula. We report such a case, which mimicked lipoma on computed tomography, and we discuss relevant clinical and radiological features.


We present a case report and a review of the English language literature concerning lingual dermoid cysts either mimicking lipoma or with a congenital discharging sinus.


A 35-year-old man presented with a lingual mass associated with a congenital fistula in the midline of the tongue dorsum, which discharged abnormal secretions. Computed tomography images showed that the lesion was well defined and contained homogeneous fatty tissue giving computed tomography attenuation values of −120 Hounsfield units.


Lingual dermoid cysts may develop with a midline discharging fistula, and may exhibit radiological similarity to lipomas on computed tomography.


Corresponding author

Address for correspondence: Dr Xuchen Ma, Department of Oral and Maxillofacial Radiology, Peking University School and Hospital of Stomatology, 22 Zhongguancun South St, Haidian District, Beijing 100081, PR China Fax: +86 10 62173402 E-mail:


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Lingual dermoid cyst with congenital discharging sinus: a rare entity

  • Z Sun (a1), L Sun (a2), Y Gao (a3) and X Ma (a1)


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