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Biomedical subjects

B B Kuan

Publications and source records attributed to B B Kuan.

5 recordsLinked to original sources

Renal size in healthy Malaysian adults by ultrasonography.

Two hundred and five healthy Malaysian adults were scanned for the length of their kidneys and the cortical thickness by both the sector real time and linear array static B-scan diagnostic ultrasound. The length of the left kidney was found to measure 105 (98-111) mm for males, and 100 (94-106) mm for females on average from the sector scan and the static B-scan. The right renal length was 102 (96-119) mm for males, and 98 (92-103) mm for females on the average from readings of both scans. The left kidney is longer in length than the right kidney in males and females on both scans. The cortical thickness at the equator of the kidneys of males and females ranges from 12-14 mm. In both sexes, the lengths of the kidneys may be estimated by the distance between the first to the fourth lumbar transverse processes when there is no scoliosis.

Adolescent

Cryptococcus meningitis, clinical--CT scan considerations.

Twenty adult cases of cryptococcus meningitis and their cranial CT scan findings were reviewed. Ten patients had abnormal CT scans. The findings were hydrocephalus, gyral enhancement, focal nodules, decreased attenuation in the white matter, and patchy increased uptake of contrast. The CT scan appearance often failed to correspond with symptoms. None of the appearances was specific to the cryptococcal infection. Fourteen patients developed papilloedema during the course of the illness. The majority of the patients who developed papilloedema did not have demonstrable hydrocephalus.

Adolescent

Contrast agent-induced thrombophlebitis following leg phlebography: meglumine loxaglate versus meglumine lothalamate.

A comparison was made of the incidence of venous thrombophlebitis resulting from the use of a high-osmolality contrast medium (Conray 60%, meglumine ioxaglate) and a low-osmolality contrast medium (Hexabrix 59%, meglumine iothalamate). In 30 patients with varicose veins, Conray was injected into one leg and Hexabrix into the other. The incidence of thrombophlebitis was then determined using the iodine-125 fibrinogen uptake test in a prospective, randomized, double-blind study. There was significantly less thrombophlebitis with Hexabrix than with Conray and the authors conclude that Hexabrix is safer for phlebography. Hexabrix is also stable in solution, only slightly more expensive than Conray, and one fifth the cost of metrizamide.

Adult