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  • Title: Kaposiform haemangioendothelioma of duodenum in a neonate.
    Author: Khatri A, Mahajan N, Khan NA, Dalal A.
    Journal: BMJ Case Rep; 2021 Feb 19; 14(2):. PubMed ID: 33608340.
    Abstract:
    Kaposiform haemangioendothelioma, an endothelial borderline tumour, is typically seen in childhood involving extremities. It has been closely associated with a consumptive coagulopathy state, Kasabach-Merritt phenomenon (KMP). Extracutaneous involvement is uncommon. Intestinal involvement is quite uncommon and can masquerade as an acute abdomen. A 24-day-old neonate presented with bilious vomiting and fever for 5 days. Sections from the resected gangrenous duodenum contained a submucosal tumour composed of infiltrating nodules of slit-like or crescentic CD34-positive spindled-to-flattened endothelial-lined vascular spaces along with zones of fibrosis. No nuclear pleomorphism or necrosis identified. The findings were classic example of kaposiform haemangioendothelioma with an absence of any deranged coagulation profile. The index case raises interest given its congenital incidental presentation at an uncommon site, like duodenum, and absence of coexistent KMP.
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