To the Editor: Epidermoid cyst, was first described by an artist in a French medical school in 1807, [1] is a kind of congenital disease characterized by a stratified epithelial capsule and laminated keratin debris contents. It accounts for approximately 1% of all intracranial tumors and commonly locates in the cerebellopontine angle, parasellar region, and the fourth ventricle. Cerebrospinal f...

Epidermoid cysts are rare congenital tumors of the central nervous system (CNS), histologically benign and slowgrowing lesions. Their frequency among primitive intracranial tumors is about 1% and they account for 40% of all intracranial epidermoid of the cerebellopontine angle (CPA); there they constitute the third most frequent neoplasm (5%), after acoustic neuromas and meningiomas. We report ...

Background: Splenic cysts are known as rare clinical encounter. Classifying into primary (true) and secondary cysts (pseudocysts), true cysts contain cellular epithelial lining and subdivided into parasitic and non-parasitic cysts. This study aimed to determine the outcome of treatment in patients with splenic cyst. Methods: All patients with splenic cyst who had been treated in Department o...

abstract urinary retention, a rare childhood problem which is most commonly caused by urinary tract infection. however, neurological neoplasm must also be considered in differential diagnosis. we report here a 3 year old girlthat was referred to the pediatrics department of kashan university of medical sciences (kaums) with a history of urinary retention for 10 days. by insertion of a foley cat...

introduction: epidermoid cysts are rare, slow‑growing, benign, developmental cysts, which are derived from abnormally situated ectodermal tissue. epidermoid cysts of the floor of the mouth represent <0.01% of all oral cysts. so far, only a few cases have been reported. case report: hereby, we present a case of a giant sublingual epidermoid cyst, which was completely asymptomatic upon presentati...

Epidermoid cysts are relatively common entities, but we present a large cyst which occurred almost directly over the olecranon, a previously unreported location. The 31 year old male patient had a history of previous epidermoid cysts in the head/ neck and after en block excision there has been no recurrence at 4 years.