Epidermoid cysts of the testis are benign tumor-like intratesticular masses. They are rare, representing less than 1% of all testicular tumors, and approximately 300 cases have been reported in the literature. Treatment of epidermoid cysts is controversial with the traditional treatment being radical orchidectomy. Awareness of this entity and the criteria for differential diagnosis will enhance...

Epidermoid cyst in the spinal cord is a rare condition. It constitutes of only 0.6-1.1% of all spinal tumors. When they occur, the typical location is in the subdural, extramedullary space of the lumbo-sacral region.We report a forty-two -year-old female who presented with left extremity radicular pain and myelopathy. MRI of the thoracic spine,illustrated a focal fusiform enlargement of the tho...

Epidermoid cyst is frequently known as sebaceous cyst. Epidermoid cyst in breast is rare while, presentation as breast lump in male is an extremely rare entity and only five cases have been reported till date. We are adding one more case of giant epidermoid cyst of breast in the English literature. Unusual feature in our case was the retraction of the nipple. Epidermoid cyst should be considere...

Nine patients with epidermoid cysts, five of them pathologically proved, were evaluated with MR imaging. Six patients also had CT. The cases were reviewed to evaluate the MR appearance of epidermoid cysts and to compare the MR findings with those of CT. The epidermoid cysts demonstrated low-signal intensity on T1-weighted MR images and hyperintensity on T2-weighted images. In five cases the cys...

Intracranial epidermoid cysts are one of the rare tumors of all intracranial tumors. They represent 0,2 to 1% of intracranial tumors and 7% of tumors in the cerebellopontine angle. The pineal region is exceptionally subject to such kind of tumor. Cushing was the first to report the pineal localization of the epidermoid cyst in 1928. Up to now, 85 cases of pineal epidermoid cyst were cited in th...

A morphometric procedure yielding dependable quantita tive data on structural components of tumors was devised. Semiquantitative data on necrobiosis, karyorrhexis, and infiltrating inflammatory cells were also obtained. Sections of tumor cut in three mutually perpendicular directions revealed minor quantitative intratumor variation for smallcell and epidermoid carcinoma but greater ones for ade...

Fifty young adult male and female albino rats were studied for the effect of systemically administered Cyclophosphamide upon chemical carcinogenesis of the submandibular gland. In 1 group of animals, pellets of 9,10-dimethyl-l,2-benzanthracene (DMBA) were implanted into the right submandibular glands. A 2nd group of animals received biweekly i.p. injections of Cyclophosphamide (Cytoxan) in addi...

Congenital nasal epidermoid cyst without associated facial dysmorphism is an uncommon anomaly that is often asymptomatic. We report a case of occult nasal epidermoid cyst in a 12-year-old boy with initial nonspecific symptoms of fever, headache, abdominal pain, vomiting, and diarrhea. An enhanced magnetic resonance imaging (MRI) showed a cystic lesion in the frontal skull base with expansion of...

INTRODUCTION Although rare, the malignant degeneration of epidermoid cysts is well documented. Its occurrence with leptomeningeal dissemination and malignant cells in CSF is scarce. To the best of our knowledge only four cases have been reported. CASE REPORT The authors report the case of malignant transformation of an epidermoid cyst with leptomeningeal carcinomatosis (which simulates asepti...