Interdigitating dendritic cell sarcoma (IDCS) is an extremely rare neoplasm arising from the antigen-presenting cells of the immune system. This disease usually involves the lymph nodes, and rarely, extranodal sites may be affected. The authors report a case of extranodal IDCS presenting in the pleura. A 32-yr-old man presented with progressive chest pain. Imaging studies showed diffuse pleural...

The practical value of cytologic examination in the clinical management of children with cancer was determined by analyzing 2,363 cytologic specimens collected during a two year period. The specimens included cerebrospinal fluid, pleural and peritoneal effusions, urine and tracheal aspirates from 347 children with cancer. Malignant tumor cells were detected in 266 specimens obtained from 106 ch...

Ovarian serous neoplasms can have morphologic overlap with malignant mesothelioma. The distinction is clinically important, yet most studies have failed to identify immunostains that reliably distinguish these 2 tumor types. Recently, transcription factor PAX8 was shown to be a sensitive and relatively specific marker for Müllerian tumors. In addition, some studies suggest that h-caldesmon is s...

Exposure to Asbestos-Hourihane et al. been shown not to be peritoneal mesotheliomata, since the clinical course and macroscopic appearances of these neoplasms can be very similar (Hourihane, 1964). While necropsy and radiological surveys of other populations would be of great interest, and while the hazards of asbestos exposure are in need of more detailed analyses, the preventive and legal asp...

Introduction There are a variety of predictable circumstances in which benign lung lesions are at risk of being interpreted as malignant neoplastic processes. This brief overview will focus on three of them chosen because of their relative frequency in cases received for consultation. The most common diagnostic challenge is separating hyperplasia and/or metaplasia of non-neoplastic respiratory ...

The fibrous tumors of the pleura are rare primary tumors, accounting for 5% of malignant pleural neoplasms, which generally originate from sub-mesothelial mesenchymal tissue of the visceral pleura. These tumours generally exhibit clinical benign behavior although 12% of solitary fibrous tumors can be malignant and have worse outcomes. These tumors are considered "giant" when the lesion > 15 cm....

background: early pleural tuberculosis (tb) diagnosis is particularly difficult. the aim of this study was to investigate the diagnostic accuracy of the xpert mtb/rif (xpert) (cepheid, sunnyvale, ca) assay using pleural biopsy and pleural fluid specimens in patients with suspected pleural tb but who had a negative sputum acid-fast bacilli (afb) smear. materials and methods: in this study, 134 s...

Oncology patients often experience urgent or emergent medical complications that are a direct or indirect result of the underlying malignant condition and are first identified or clarified on radiologic imaging studies. The aim of this review is to identify, discuss, and illustrate some of the major thoracic complications in patients with primary intrathoracic or extrathoracic neoplasms; partic...

Chylous ascites and chylothorax are rare clinical entities and usually caused by neoplasms, particularly lymphomas, liver cirrhosis, superior vena cava thrombosis, nephrotic syndrome, and some cardiac events such as dilated cardiomyopathy or right heart failure. Constrictive pericarditis is an extremely rare cause of this clinical state. We report a 41-year-old male patient undergoing haemodial...