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Biomedical subjects

R H Cleveland

Publications and source records attributed to R H Cleveland.

60 records · Page 4Linked to original sources
PubMed1977

Primary adenoid cystic carcinoma (cylindroma) of the trachea.

Two cases of adenoid cystic carcinoma of the trachea, and a review of the literature, are presented. This unusual and often undiagnosed tumor closely mimics asthma and chronic bronchitis. Although many patients die within 2 to 3 years of the onset of symptoms without appropriate treatment, adequate therapy should lead to survival of 10 years or more. The radiologist should make the initial diagnosis by noting the tumor, which is frequently located posterolaterally and in the middle third of the trachea.

Carcinoma, Adenoid Cystic↗
PubMed1977

Notching of the ureter and renal pelvis in children.

The excretory urograms of 14 children with ureteral notching were reviewed. In 10 of 14 cases the vascular impressions on the ureters were due to either venous obstruction and dilated collaterals or to dilated noncollateral veins. In two cases the notching was associated with arterial collaterals in renal ischemia and in two with dilated lymphatic channels. The implications of notching in children and the differences and similarities of this urographic sign between children and adults are discussed.

Adolescent↗
PubMedDate not supplied

Neonatal cranial ultrasonography.

We trace the evolution of pediatric cranial sonography from its inception to the present. Technical considerations and Doppler imaging are discussed. Scanning techniques and a review of the sonographic landmarks of normal anatomy are presented. Knowledge of these landmarks will facilitate screening examinations. We then present clinical and screening indications for cranial sonography in the neonate, emphasizing the pathogenesis and classification of intracranial hemorrhage and porencephaly. Finally a description of inflammatory lesions and their sonographic appearances and a review of cystic and solid lesions completes the discussion of cranial sonography in the neonate.

Arnold-Chiari Malformation↗
PubMedDate not supplied

CT of neonatal herpes encephalitis.

Seven neonates with proven herpes (HSV type 2) encephalitis exhibited a characteristic sequence of findings on cranial computed tomography (CT). The initial CT abnormalities in all infants were fingerlike areas of cortical increased attenuation noted on unenhanced scans obtained 2-30 days after presentation. These usually were accentuated by increased white-matter lucency. Subsequently (more than 30 days after presentation), extensive cerebral destruction, multicystic encephalomalacia, and calcification were seen on follow-up CT scans obtained in five infants.

Brain↗