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Biomedical subjects

K S Weiss

Publications and source records attributed to K S Weiss.

8 recordsLinked to original sources
PubMed1987

Radiation-induced leiomyosarcoma of the great vessels presenting as superior vena cava syndrome.

A patient with a pleomorphic intravascular leiomyosarcoma of the great vessels of the neck and mediastinum presented clinically with a superior vena cava syndrome. A latent period of 29 years elapsed between receiving orthovoltage radiation to the neck and right side of chest to treat recurrent ganglioneuroblastoma, and the appearance of a leiomyosarcoma and subsequent recurrences. The patient underwent partial resection of the tumor, received adjunct chemotherapy, and was shown to be free of disease by clinical tests and by magnetic resonance imaging (MRI) 17 months after completion of chemotherapy. The criteria for the diagnosis of radiation-induced sarcomas are reviewed in relation to the present case. The critical role of magnetic resonance imaging in both the diagnosis and continued follow-up of the patient is described. This would appear to be the first reported case of radiation-induced intravascular leiomyosarcoma of the great vessels of the neck and mediastinum presenting as a superior vena cava syndrome.

Adult↗
PubMed1985

Transient hearing loss with metrizamide.

Two case studies are reported in which transient low frequency sensorineural hearing loss was experienced following myelography and CT scanning with metrizamide. Low frequency sensorineural hearing loss is considered to be the result of increased stiffness of one or both of the inner ear membranes. A review of the literature regarding an osmotic relationship between blood, cerebrospinal fluid, and the inner ear fluids attempts to explain how this phenomenon may have occurred with metrizamide. The transient sensorineural loss observed in the case studies presented is compared to the pathophysiology attributed to the formation of endolymphatic hydrops.

Adult↗
PubMed1980

Otologic lightning bolts.

Lightning induced damage to the ear is multifaceted. The seventh and eighth cranial nerves, the labyrinthine system, and the tympanic membrane are most commonly injured. A case report demonstrating all these injuries is presented.

Ataxia↗
PubMed1979

Serratia marcescens in tracheotomy cultures.

Twenty-three consecutive tracheotomies were cultured after an apparent outbreak of Serratia marcescens was noted. Over a period of one year, six cases with positive cultures were found. The importance of these positive cultures in relation to the patient's clinical course is discussed. The treatment of Serratia marcescens septicemia is reviewed.

Adult↗