UNLABELLED Cholesteatoma is a well-known infection resembling a pearl. Its histological aspect is of an epidermal cyst formation characterized by epidermal-keratinized tissue in the middle ear and mastoid that can migrate and erode to adjacent structures. AIM To verify epidermal cyst (cholesteatoma) growth through implantation of auricular skin of a mouse next to its femoral bone. STUDY DES...

52 INTRODUCTION Epithelial inclusion or epidermoid cyst (EIC) lined by well defined stratified squamous epithelium enlarges by cellular proliferation and by desquamation of keratinized debris into the cavity of the cyst (1). Histologically, it is differentiated from the dermoid cyst by the absence of dermal structures and from the benign cystic teratoma or true dermoid cyst, which is a neoplasm...

Peritoneal inclusion cysts are uncommon lesions that usually occur in the pelvis of reproductive-age females. The case of a 7-year-old girl with an inflamed peritoneal inclusion cyst with unusual right paracolic localization and congenital lower extremity superficial and deep venous valve agenesis is presented. Inflammation of the peritoneal inclusion cyst was responsible for the signs of acute...