The anti-neutrophil cytoplasmic antibody-associated vasculitides include granulomatosis with polyangiitis (Wegener's granulomatosis) and microscopic polyangiitis. The introduction of therapy with cytotoxic agents such as cyclophosphamide transformed these diseases from fatal diagnoses to chronic conditions characterized by cycles of relapse and remission. Modern treatment strategies have focuse...

A 48-year-old woman presented with a history of premature menopause, polyuria, polydipsia, fever, and diffuse bony tenderness. Her evaluation revealed central diabetes insipidus, hypothalamic amenorrhea, an elevated free calcium on multiple occasions with an elevated 1,25 dihydroxyvitamin D level, and osteoporosis by densitometry. Skeletal series revealed multiple lytic lesions involving the lo...

Orofacial granulomatosis is defined by permanent or recurrent swelling of orofacial tissues with different multiform and multifocal clinical patterns. An 11-year old boy presented with a 2-month history of mucosa enlargement. Intraoral examination revealed an erythematous, polylobulated, exophytic lesion with a smooth surface located in retromolar mucosa, non-tender and non-infiltratated to pal...

Vasculitides are a heterogeneous group of more than 20 diseases defined by inflammation and destruction of blood vessels. We aimed to study the demographic characteristics of the primary vasculitides in the North East of Iran. We retrospectively studied the medical records of patients diagnosed with any kind of vasculitis at the Clinic and Department of Rheumatology of the Imam Reza Hospital, M...

introduction: wegener granulomatosis is a rare multisystemic disease with an unknown cause, characterized by necrotic granulomatous lesions in respiratory tract, systemic vasculitis in small arteries and veins and necrotizing glomerulonephritis. wegener can affect any organ including kidneys, eyes or other organs but classically affects upper and lower respiratory tract. one of the rare but imp...

introduction: fish mycobacteriosis is caused by the non-tuberculous mycobacteria. infected fish are normally the primary source of infection, although non-tuberculous mycobacteria can be found in the environment. the present study was designed to  investigate the few recently found suspected cases of mycobacteriosis in iranian ornamental fish tanks.   materials and methods: pathological specime...

A case of lymphomatoid granulomatosis is presented demonstrating the most common chest radiograph findings as well as some infrequent but recognized associations. The clinical presentation and pathogenesis are discussed. The difficulty in radiological diagnosis is highlighted.