Cystic lesion in the posterior fossa

Cemento-ossifying fibroma presenting as a posterior fossa mass lesion.

Cemento-ossifying fibromas are benign lesions of the jaw, which arise from the periodontal membrane. Histopathologically these are composed of fibrous tissues with calcified structures resembling bone and cementum. Surgical resection is the treatment of choice. They have rarely been reported in the ethmoid sinus, maxillary sinus and sphenoid sinus Mastoid bone is an extremely rare site of such ...

Posterior Fossa Tumor in Children

Corresponding Author: Seddighi A. MD Shohada Tajrish Hospital, Functional Neurosurgery Research Center of ShohadaTajrishHospital Tehran, Iran. Tel: +982188265188 Cell Phone: +98 9121852917 Email: [email protected] Abstract Objective Primary brain tumors are the most common solid neoplasms of childhood, representing 20% of all pediatric tumors. The best current estimates place the inciden...

Posterior fossa teratoma.

Germ cell tumors comprise approximately 2-5% of all childhood brain tumors. They arise predominantly in the pineal and suprasellar region, but may occur throughout the brain. Teratomas are generally divided into gonadal and extragonadal types. A posterior fossa teratoma is a rare occurrence. The focus of this discussion is a 5-year-old boy with posterior fossa teratoma who recovered completely ...

Posterior fossa subdural hematoma.

One case of traumatic posterior fossa subdural hematoma (PFSH) is described. This location represent 1% of the subdural hematomas. Computerized Tomography (CT) was used in the diagnosis and follow-up of the hematoma. The etiology and physiopathology of this process are discussed.

Dural arteriovenous malformation in the posterior fossa.