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In this study, 50 cases of angioimmunoblastic T-cell lymphoma (AITL) were investigated for histological patterns, their association with Epstein-Barr virus (EBV) infection, B cell and T cell clonalities, and the clini- cal outcomes. Three histological patterns were identified: the classical pattern (34 cases), large-cell rich pat- tern (14 cases)...

Paracetamol is one of the most popular drugs used for treatment of pain and headaches. Recent evidences have indicated that long term treatment with this drug can induce the neurotoxic effect in the brain including in the hippocampal neurons, however the mechanism underlying its neurotoxic effect is still unclear. The present study aimed...

To assess the pathologic outcome of BI-RADS mammographic classification and the success of stereotactic biopsy for such lesions. Materials and...

Chondrosarcoma of distal phalanx is extremely rare and to our best knowledge there was only one case having magnetic resonance ( MR ) imaging study. We report a case of 56-year-old woman developing chondrosarcoma of distal phalanx of the left ring finger. The radiographic and imaging studies highly suggested chondrosarcoma and amputation of distal...

From previous study with Methylation specific polymerase chain reaction (MSP), there were cases of DNA methylation showing positive protein expression. Some CpG sites of the primer were speculated to have no effect on protein expression....

Diffuse large B-cell lymphoma (DLBCL) can be found involving bone marrow in approximately 11-27% of cases 1. Patterns of involvement are variable; these include diffuse pattern (lymphomatous cells diffusely infiltrating the marrow), interstitial pattern (i.e. small amount of lymphomatous cells scattered among hematopoietic cells), nodular pattern (lymphomatous cells forming aggregates in intertrabecular or paratrabecular area of the marrow).. ...

Primary sinonasal mucosal melanoma is a rare neoplasm. Like in other sites of malignant melanoma, the histopathology is variable and when lacking of melanin pigment, particularly in small biopsy specimen mimicks many neoplasms. Immunohistochemical staining plays an important role. Many immunomarkers, including S-100, HMB-45 and Melan-A should be...

Blood from 564 patients infected with human immunodeficiency virus (HIV) were studied for laboratory analysis. The hematological changes including white blood cell count (WBC), percentage and absolute number of lymphocyte and eosinophil were determined by using the Technicon H*3 RTX hematological analyzer. Analysis of blood cell parameters...

We aimed to evaluate the role of frozen section (FS) and preoperative fine-needle aspiration cytology (FNA) in thyroid nodular lesions. ...

Sclerosing polycystic adenosis (SPA) is a rare tumor-like lesion of the salivary gland that bears a histomorphological resemblance to fibrocystic disease and sclerosing adenosis of the breast. The lesion is widely considered to be a pseudoneoplastic inflammatory process. However, foci of epithelial dysplasia and carcinoma in situ can occur in the...