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Biomedical subjects

D S Cheng

Publications and source records attributed to D S Cheng.

20 records · Page 2Linked to original sources

Interpretation of microscopic image analysis of cell nuclei.

This study shows that microscopic image analyses of nuclear DNA have common characteristics among fixation methods and tissue types. We find that microscopic imaging measurements require both nuclear area and DNA concentration to properly convey diagnostic information. Algorithms are developed which enable infiltrating lymphocytes to act as internal DNA controls for each sample. The DNA content and patterns measured by microscopic imaging were found to be related to patient survival and to cytologic diagnosis.

Algorithms↗

Long-term survival in Wiskott-Aldrich syndrome: case report and literature review.

The case reported concerns a 29-year-old man who was seen because of clinical and laboratory features consistent with Wiskott-Aldrich Syndrome. While an infant he underwent splenectomy for thrombocytopenia. Evaluation revealed small platelets, abnormal immunoglobulin levels, impaired delayed hypersensitivity, and mildly reduced neutrophil chemotaxis. His response to vaccination with polyvalent pneumococcal vaccine was subnormal. Possible factors accounting for his long-term survival are discussed.

Adult↗