Maxillary sinus melanoma is a rare mucosal melanoma difficult to diagnose in the absence of pigmentation. Intranasal masses presenting with the features of occult malignancy and rapid progression should always be investigated in the line of melanoma irrespective of pigmentation. The histopathological and immunohistochemical examination helps to confirm the diagnosis.

Behcet's Disease is a rare systemic vasculitis characterized by recurrent episodes of acute inflammation affecting blood vessels of all sizes. Symptoms include orogenital apthosis, cutaneous skin lesions, and uveitis. We present the case of a 38-year-old Nepalese man with Behcet's Disease. In Nepal, Behcet's Disease may still be under-reported.

Perimedullary spinal AVM is a rare type of spinal arteriovenous malformations. We present a case of 70 yrs female who presented with motor weakness in her bilateral limbs. Initial MRI was misinterpreted as ependymal myxoma; however, histopathology revealed spinal AVM. MRA or DSA should be conducted if AVM is suspected.