A Vascular Malformation with Osseous Metaplasia of the Mesenteryas a Cause of Acute Abdomen in a Seven Years Old Child
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Abstract
Vascular anomalies are of two types: 1) hemangiomas and 2) vascular malformations (VMs). Hemangiomas are apparent at birth but they may be noticed or become symptomatic later in neonatal life. The natural course of hemangioma is early proliferation during the first few years of life and regression in late childhood. They disappear usually by the age of 12 years. VMs, on the other hand, usually develop later in life and the size of the mass increases with age. An exclusive mesenteric vascular anomaly is a rare entity. Specifically, the incidence of VMs type of anomaly with osseous metaplasia is infrequent. In the available literature, two cases of abdominal vascular anomaly of hemangioma type have been reported. This case is being reported to alert clinicians to the wide variety of mesenteric and retroperitoneal masses and their varied presentation sometimes in emergencies like an acute abdomen or intestinal obstruction. The radiological signs may also be confusing at times as in this case where the radio-opaque shadow on an x-ray was mistaken for a phytobezoar.
Keywords: vascular malformation, osseous metaplasia, acute abdomen.
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