University revision · Blood Transfusion Science

Other Important Blood Group Systems

Question 1 of 84 Course: Biomedical Science(Degree)

The 'Knops blood group system' antigens are located on complement receptor 1 (CR1).

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Cystitis glandularis in urine cytology shows glandular structures lined by columnar cells with mucin secretion, often in a background of chronic inflammation. The cells are benign with uniform nuclei, without significant atypia. Cystitis glandularis is a metaplastic change of the bladder urothelium in response to chronic irritation (stones, infection, catheter). It can be intestinal type (with goblet cells) or typical type. While usually benign, extensive intestinal metaplasia is considered a risk factor for adenocarcinoma. Cytological distinction from adenocarcinoma can be challenging; biopsy may be needed if atypical.

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