©F rr ta St ort i F o nd ati o phylaxis. Extramedullary relapse was biopsy-confirmed in all but one patient, who had obvious progression of proven chloromas that were still present at the time of HSCT. Twenty-four of 26 patients (92%) who had extramedullary disease noted at the time of post-HSCT relapse had bone marrow biopsies confirming the presence (n=2) or absence (n=22) of bone marrow recu...

Background: Melanocytoma is a rare pigmented central nervous tumor. In the spine, it may develop in meninges, extramedullary or intramedullary. It usually has good outcome after total excision.
 Case report:
 A 40-year-old male patient was admitted to our hospital 12 years ago with 3-month history of progressive neck pain and difficulty walking. On clinical examination, he showed uppe...

Background: Although 5% of cavernomas occur in the spine, intradural-extramedullary are exceptionally rare. We present one such case cavernoma associated exclusively with a nerve root, and review literature for similar lesions. Methods: Case Report. A 45-year old male patient presented six-month history numbness paresthesia affecting his lower extremities bilaterally. MRI demonstrated 16mm lesi...