we have studied the patients who had a neck mass on presentation in five medical centers of tehran univ. of medical sciences (infectious disease department, ent department, dentistry faculty, cancer institute) during a period of 14 months. sixty patients, 20 women and 40 men, were eligible for our study. all patients underwent clinical and paraclinical work up and finally had histologic diagnos...

Abstract Crohn's disease (CD) is a chronic, relapsing, idiopathic condition, characterized by granulomatous, transmural inflammation of the gastrointestinal tract, which can affect its entire length, from mouth to anus. Metastatic (MCD) rare form skin involvement and defined lesions without contiguity with tract. A 9-year-old patient presented complaints gross in vulva perianal region. The diag...

Introduction: Metastatic tumors of the temporal bone are extremely rare. Collet-Sicard syndrome is an uncommon condition characterized by unilateral palsy of the lower four cranial nerves. The clinical features of temporal bone metastasis are nonspecific and mimic infections such as chronic otitis media and mastoiditis.   Case Report: This report describes a rare case of metastatic adenocarcino...

A 15-year-old boy presented with several months history of bilateral axillary lymph adenopathies which were ulcerated subsequently. He had received anti-tuberculosis therapy for more than six months based on suspicious diagnosis of scrofuloderma. Histopathologic examination confirmed the diagnosis of specific lesions of Hodgkin’s disease. These lesions were probably metastatic due to retrograde...

  A 57-year-old male with history of prostatectomy, cyctectomy, cecal urinary diversion for invasive prostate cancer and with a recent rise in PSA level, was referred for bone scintigraphy to rule out osseous metastatic disease. An interesting finding was abnormal tracer accumulation throughout the large bowel, which was proved to be due to urinary diversion.

Thallium 201 whole body scintigraphy was performed in a 30 year old patient with diffuse osseous metastatic disease secondary to glioblastoma multiforme. Multiple sites of Thallium uptake correlated with the findings on serial bone scans and radiographs. Bone biopsy of a lower lumbar vertebra confirmed that the metastases were of glial origin.