IgG4 Inflammatory Pseudotumor of the Kidney

IgG4 Inflammatory Pseudotumor of the Kidney

Hyper-IgG4 disease is a rare systemic disorder that usually affects middle age males. It is characterized by elevated serum IgG4 levels and infiltration of organs by IgG4 positive plasma cells associated with fibrosis. Patients usually present with mass or masses in the involved organ that mimic neoplasia. While initially described in the pancreas, IgG4-related inflammatory tumors have been now...

Erratum to “IgG4 Inflammatory Pseudotumor of the Kidney”

Inflammatory pseudotumor of the Kidney

BACKGROUND Inflammatory pseudotumor of the kidney or inflammatory myofibroblastic tumor (IMT) is composed of spindle cells admixed with variable amount of proliferating myofibroblasts, fibroblasts, extracellular collagen, lymphocytes and plasma cells. This mainly affects the urinary bladder or prostate. Renal involvement is rare. CASE PRESENTATION A 56 year-old man was diagnosed with asymptom...

Inflammatory Pseudotumor of the Brain Parenchyma with IgG4 Hypergammaglobulinemia.

A 58-year-old woman with a 1-month history of right hand clumsiness and speaking difficulty was admitted to our hospital. A neurological examination revealed sensory aphasia and right hemiparesis. Her laboratory tests showed elevated serum levels of IgG and IgG4, pancytopenia, and liver dysfunction. The results of the imaging studies of her abdomen were compatible with sclerosing cholangitis. B...

Inflammatory Pseudotumor of the Liver

Inflammatory pseudotumor of the liver is a focal mass consisting proliferation of plasma cells and other inflammatory cells. This rare disease should be . included in differential diagnosis in patients with hepatic mass in imaging studies, which to avoid surgery. Case Report. A 49 years old woman admitted in Shohada Hospital with epigastric pain the imaging studies was done (U.S.-C. T). Two S...