Mucin histochemistry of human cholangiocarcinoma - PubMed (original) (raw)
Mucin histochemistry of human cholangiocarcinoma
S T Chou et al. J Pathol. 1976 Mar.
Abstract
Histochemical studies of mucins were carried out on 17 autopsy specimens of cholangiocarcinomas associated with clonorchiasis. All tumours produced epithelial mucins which were mixtures of neutral and acid mucopolysaccharides without any histochemically demonstrable components of sialic and uronic acids. The mucins were qualitatively similar to that secreted by normal and Clonorchis-infested bile ducts. However carboxymucins were reduced and sulphomucins were absent or present only in trace amounts in the neoplastic epithelium; in the hyperplastic epithelium in clonorchiasis sulphomucins were abundant. The HID-AB technique for sulphomucins is valuable in differentiating hyperplastic bile ducts and cholangiocarcinoma.
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