background: although multifocal and multicentric breast cancers are a common entity, their clinical behavior is not well characterized. with the widespread use of mammographic screening and improved sensitivity of imaging modalities, the detection of multifocal and multicentric breast cancers is likely to continuously increase. many studies have consistently shown a correlation between multifoc...

liposarcoma is a common malignant soft tissue tumor, accounting for 10% to 16% of all sarcomas. multicentric myxoid liposarcoma is an uncommon condition. differentiation between several primary tumors and metastasis of a single liposarcoma represents the main difficulty in diagnosis. a 47-years old woman presented with right thigh myxoid liposarcoma and underwent wide margin tumor resection. ot...

multicentric reticulohistiocytosis (mrh) is a rare proliferative histiocytic disease of ‎unknown cause with potentially disabling nature. primary manifestations are involvement ‎of skin and joints. the articular destruction can lead to permanent joint deformities. our ‎patient was a 47 year-old woman with bilateral symmetrical polyarthritis and reddish- ‎brown papulonodular cutaneous lesions. t...

BACKGROUND Multicentric Castleman's disease describes a group of poorly understood lymphoproliferative disorders driven by proinflammatory hypercytokinaemia. Patients have heterogeneous clinical features, characteristic lymph node histopathology, and often deadly multiple organ dysfunction. Human herpesvirus 8 (HHV8) causes multicentric Castleman's disease in immunosuppressed patients. The caus...

The objective of this study is to systematically review the epidemiology and the clinical and virologic aspects of multicentric Castleman's disease in HIV-positive patients and to evaluate treatment strategies and outcome, especially in relation to HAART administration. The authors have conducted a systematic review of the English literature for all cases of newly diagnosed multicentric Castlem...

Two completely separate malignant melanomas of the choroid occurred in 1 eye containing 2 additional uveal naevi. Review of the literature disclosed 7 further patients with unilateral multicentric malignant melanomas of the choroid and 11 bilateral multicentric malignant melanomas of the uvea. General aspects of multicentric primary neoplasia are discussed and an interpretation is attempted.

Liposarcoma is one of the most common malignant soft tissue tumours. It usually presents as a single mass, and the prognosis varies according to the degree of histological differentiation. Multicentric liposarcoma is an unusual presentation of this tumour in which several independent lesions develop and generally display an aggressive pattern. It may be difficult to establish a precise diagnosi...

Giant cell tumors (GCTs) of bone commonly affect a single bone. Most of vertebral lesions occur in the sacrum rather than in the spine above the sacrum. Multicentric GCTs are rare. They may occur synchronously or metachronously and therefore may be identified at the same time in different anatomic locations or at different times in different anatomic locations. Synchronous tumors reportedly occ...

The case is reported of a 63 year old man presenting with a rapidly destructive symmetrical polyarthritis and widespread papular nodular skin lesions, confirmed by a biopsy to be due to multicentric reticulohistiocytosis. Biventricular cardiac failure developed secondary to extensive myocardial infiltration with multicentric reticulohistiocytosis, a complication of this disease which has not pr...

Introduction. Giant cell tumors (GCTs) of bone are known for their local aggressiveness and high recurrence rate. There are rare cases of multicentric GCT and most are synchronous. We herein review metachronous multicentric GCT reported in the literature. Material and Methods. A MEDLINE, Cochrane, and Google Scholar search was done to collect all cases of multicentric metachronous GCT specifyin...