Biomedical subjects
D A May
Publications and source records attributed to D A May.
Stimulatory modulator-requiring cyclic nucleotide-independent protein kinase: partial purification from fetal calf hearts and comparison with various protein kinases.
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Disposition of levo-[3H]cocaine in pregnant and nonpregnant mice.
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Congenital asymmetry (hemihypertrophy) and abdominal disease: radiological features in 9 cases.
Coexistent abdominal disease was found in 9 cases of congenital asymmetry. These patients appear to be at risk of malignant neoplasms of the adrenal gland, kidney, and liver. Five of the 6 neoplasms in this group of patients were malignant. Approximately 25% of the reported cases of hemihypertrophy have been associated with hamartomas or congenital defects, especially genitourinary anomalies. Benign disorders encountered in this group included medullary sponge kidney, renal ectopia, renal cyst, nephromegaly, adrenomegaly, and hypospadius.
[Anomalies of rotation as cause of intestinal obstruction in the new-born (author's transl)].
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Screening for avascular necrosis of the hip with rapid MRI: preliminary experience.
PURPOSE: The purpose of this work was to compare rapidly acquired MR images with routinely employed SE and turbo SE (TSE) images in screening for hip avascular necrosis (AVN). METHOD: Twelve patients with findings suspicious for radiographically occult AVN of one or both hips were studied with our routine screening protocol (imaging time >7 min) and similarly weighted, rapidly acquired MR sequences (imaging time <1 min). RESULTS: The rapidly acquired MR images were judged to be similar to the routine protocol in demonstrating marrow edema, irregular lines within the femoral head characteristic of AVN, and osteoarthritis. CONCLUSION: The rapidly acquired MR sequences that we studied reliably revealed the presence or absence of AVN, marrow edema, and osteoarthritis of the hip in our sample population when compared with SE and TSE sequences that we routinely perform. Further investigation of rapidly acquired MR sequences is warranted, as imaging time may be dramatically reduced and patient throughput increased.