STATEMENT OF THE PROBLEM Mucous retention cysts (MRCs) of the maxillary sinus are lesions with undefined pathogenesis. In recent researches, geographical and climatic aspects have been related as risk factors. PURPOSE The purpose of this study was to determine the frequency of MRCs of the maxillary sinus using panoramic radiographs. MATERIALS AND METHOD A total of 631 panoramic radiographs ...

Meningitis retention syndrome (MRS), a rare complication of aseptic meningitis, can present with acute urinary retention. The rupture of a dermoid cyst, which is a benign intracranial tumor, can sometimes induce chemical meningitis. We herein present a case of chemical meningitis and acute urinary retention that was induced by the rupture of a dermoid cyst. The patient experienced urinary reten...

The dome-shaped radiopaque shadows frequently seen on the floor of the maxillary sinus, and sometimes inaccurately referred to as antral mucoceles, appear to represent focal accumulation of inflammatory exudate that lifts the epithelial lining of the sinus and the periosteum away from the underlying bone to form the characteristically shaped structures. Their histologic appearance is therefore ...

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...

Molluscum contagiosum (MC) is a viral infection of skin and mucous membrane commonly affecting the adolescents and young adults. Extensive lesions are usually common in immunocompromised patients. We herein report a rare case of molluscum contagiosum in an epidermoid cyst (EC) in a 24-year-old immunocompetent male. The provisional clinical diagnosis was inflammed epidermoid cyst or lipoma. On h...