a survey of malignant lymphoid tumors among iranians the frequency. histopathologic features, and clinical aspects of malignant lymphoid tumors. among iranians arc discussed on the basis of 68,000 consecutive biopsies and 1917 autopsies performed over a twenty.five years period in the department of pathology at teheran university. of the 5814 lymph nodes examined on biopsy, 1368 (23%) showed ma...

appendices outline appropriate laboratory techniques. Third, this volume incorporates discussions of unusual cutaneous tumors into one well-written monograph. Pathology of Unusual Malignant Cutaneous Tumors is an important reference textbook; tumors that are generally not discussed in a systematic fashion are presented clearly in this one source. The eight chapters in this book cover sweat glan...

BACKGROUND Dermatologists, paediatricians, and general practitioners are often consulted by worried parents for the evaluation of a cutaneous tumor. METHODS Selective literature review. RESULTS Only 1-2% of skin tumors excised in children turn out to be malignant when examined histologically. Warning signs of malignancy include rapid growth, firm consistency, diameter exceeding 3 cm, ulcera...

PURPOSE We evaluated the characteristics of central venous port (CVP)-related infection with microbiological assessments in patients with malignant tumors. MATERIALS AND METHODS In a prospective setting, patients with CVP for the treatment of malignant tumors were enrolled in this study. The incidence of CVP-related infection during three months was determined. Microbiological surveillance fr...

Introduction: Malignant tumors of the skin include basal cell carcinoma, squamous malignant melanoma and appendages.Skin lesions in head neck region are frequently encountered geriatric population. Although these generally benign, it is widely known that prevalence increases with age.In adults, 80% masses neck, except benign thyroid diseases, neoplastic origin this rate reaches 90% after 5th de...

BACKGROUND Malignant tumors in the proximal fibula are rare but life-threatening; however, biopsy is not routine due to the high risk of peroneal nerve injury. Our aim was to determine preoperative clinical indicators of malignancy. METHODS Between 2004 and 2016, 52 consecutive patients with proximal fibular tumors were retrospectively reviewed. Details of the clinicopathological characterist...

Skin cancer is the uncontrolled growth of abnormal cells in epidermis, outermost layer skin. The rapid and proliferation creates malignant tumors With computer analysis skin images, researchers are made to distinguish whether spot benign or malign It automatically possible classify a by images. In this study, it was aimed diagnose images analysis. stained appearance on classified as using deep ...

This study aimed to investigate the frequency of Varicella Zoster Virus (VZV) in benign and malignant breast tumors. A total of 24 carcinomas and 24 fibroadenomas paraffin embedded tumoral tissue samples were obtained from the pathology sections of Toos and Firoozgar hospitals in Tehran, Iran. All samples were collected from patients from June 2011 to February 2012. DNA was extracted from all s...