Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0029463 (osteosarcoma)
 16,637 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Classifying soft tissue tumors of the head and neck is often difficult for both surgeon and pathologist because of the potential similarities in appearance of metastatic lesions, epithelial tumors, lymphomas, and inflammatory processes. This paper discusses four unusual soft tissue tumors of the head and neck: osteosarcoma of the mandible, biphasic synovial cell sarcoma of the hypopharynx, soft part sarcoma of the maxillary sinus/alveolus, and adult rhabdomyoma of the larynx. Precise diagnosis of these lesions requires adequate tissue sampling, immunocytochemical staining, and electron microscopy. The clinical and pathological features of these tumors, as well as a practical approach to the diagnosis, is presented.
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PMID:Diagnostic dilemmas in soft tissue tumors of the head and neck. 166 23

Intracavitary ventricular tumors were found in 3 male patients (newborn, and 18 and 23 years old) by 2-D echocardiography (metastasis of an osteogenic sarcoma in the right ventricle, teratoma embryonale growing from the retroperitoneum into the right ventricle, rhabdomyoma of the left ventricle). They all showed a uniform echo pattern and two of them were pedunculated. Wall motility, valves and cardiac dimensions were normal. In each case diagnosis was confirmed intraoperatively or at autopsy. Clinically the metastasis of the osteogenic sarcoma presented as obstruction of the superior vena cava, whereas the teratoma embryonale imitated tricuspid valve disease. The rhabdomyoma caused a systolic murmur and severe postpartal sinus bradycardia. It was successfully removed on the basis of echocardiography alone. 2-D echocardiography is a reliable, noninvasive diagnostic tool for evaluation of intracavitary, ventricular tumors.
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PMID:[Echocardiography detection of intracavitary ventricular tumors]. 386 1