A pediatric intramedullary spinal cord tumor with unusual solid-cystic and papillary features: a case report.

Spinal cord tumors are rare in children. We report a novel case of pediatric intramedullary spinal cord tumor with unusual solid-cystic and papillary features. Clinically, the patient presented at the age of 3 years with motor deficit and urinary incontinence, and MRI demonstrated multilocular cystic lesions in the thoracic spine.

Choroid plexus papilloma presenting with cerebrospinal fluid rhinorrhea and otorrhea: case report.

A 52-year-old woman presented with right rhinorrhea and right otorrhea manifesting as aural fullness for 2 years caused by a choroid plexus papilloma in the right cerebellomedullary cistern. Computed tomography and magnetic resonance imaging revealed a well defined lobulated mass at the foramen of Luschka, which extended towards the right cerebellomedullary cistern with slight dilation of the ventricular systems. The tumor was totally resected via a right lateral suboccipital approach.

Primary intramedullary spinal cord germinoma.

A 21-year-old woman presented with an intramedullary spinal cord germinoma and a history of gait disturbance and elimination disorder. Magnetic resonance (MR) imaging demonstrated two isolated lesions, one located within the medulla between T9 and T11, and another at the cauda equina (L2 to L3 levels). After partial reduction of the intramedullary mass, histological findings revealed that the tumor was typical germinoma.

Application of phase sensitive imaging (PSI) for hemorrhage diagnosis in pituitary adenomas.

Objective: Intratumoral hemorrhaging is a common occurrence in pituitary adenomas. Asymptomatic pituitary apoplexies have become more frequently diagnosed due to recent advances in magnetic resonance (MR) imaging. The purpose of this study was to investigate the usefulness of phase sensitive imaging (PSI) in the diagnosis of hemorrhages within pituitary adenomas.

Mixed germ cell tumors with abundant sarcomatous component in the temporal lobe after radiochemotherapy of neurohypophyseal germinoma: a case report.

We report a case of intracranial germ cell tumor that showed pathological changes from neurohypophyseal germinoma to mixed germ cell tumors consisting exclusively of undifferentiated sarcomatous component after radiochemotherapy. Three surgical specimens and autopsied brain from the patient were histologically examined. An initial specimen from the neurohypophyseal tumor was diagnosed as germinoma with a two-cell pattern.

Metastasis of carcinoid to the arch of the axis in a multiple endocrine neoplasia patient: a case report.

Background Context: Carcinoid tumors eventually metastasize to the spine, and epidural spinal cord compression is a relatively frequent neurologic complication of carcinoid. However, a case of multiple endocrine neoplasia type 1 (MEN1) presenting with spinal cord compression as a result of a metastatic carcinoid tumor has not been reported previously.

Purpose: To report an extremely rare case of MEN1 presenting with spinal cord compression by metastatic carcinoid tumor.

Transoral penetration of a half-split chopstick between the basion and the dens.

A 6-year-old girl was admitted for transoral penetrating injury by a half-split chopstick. Subsequent CT imaging examinations showed that the chopstick had passed between the basion and the dens and reached the subarachnoid space just at the medulla oblongata. A sagittal reconstructed CT scan was useful for the evaluation of the injury.