Tumors of unknown origin

[Tumors of unknown origin: Case report].

IgG4 related disease is a recently recognized chronic fibrotic, inflammatory condition, caused by infiltrating IgG4 positive plasma cells that can cause tumor like disease in almost any organ in the body. Typical histopathology is lymphoplasmocytic infiltration of IgG4 positive cells, storiform fibrosis and obliterative phlebitis. Glucocorticoids alone or in combination with B-cell depletion wi...

VISCERAL LEISHMANIASIS AS FEVER OF UNKNOWN ORIGIN

Visceral leishmaniasis is the second most common cause of fever of unknown origin in our study. This disease is not common in adults, although it's endemic among the pediatric age group. The majority of the affected individuals were young. High grade spiking fever, chills and splenomegaly were unique findings. Other common findings were neutropenia, anemia, abnormal liver function tests, st...

Poorly differentiated neoplasms and tumors of unknown origin: introduction.

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A survey of patients with mental retardation of unknown origin

Introduction: Fragile X syndrome (FXS) is one of the most prevalent genetic causes of developmental disability, representing the most frequent form of inherited severe cognitive deficit. The present study was undertaken to investigate FXS and its prevalence in moderate mentally retarded people in patients. Materials and methods: Nineteen people with moderate mental retardation (MR) who wer...

Pyrexia of unknown origin.