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Surgery: Basic Science and Clinical Evidence, 2e > Chapter 36. Pediatric Surgery

The anatomical spectrum of intestinal atresia. Type I is a stenosis or mucosal web; type II, a fibrous cord between two bowel ends; type IIIa, blind-ending proximal and distal bowel loops with a V-shaped mesenteric defect. Type IIIb (apple peel deformity or Christmas tree deformity) consists of a blind-ending proximal jejunum, absence of a large portion of the midgut, and a terminal ileum that is coiled around its ileocolic blood supply; type IV, multiple atresias of any kind. (From Grosfeld JL. Pediatric surgery. In: Sabiston DJ, ed. Textbook of Surgery, 1991, by permission of WB Saunders.)

FIGURE 36.6 The anatomical spectrum of intestinal atresia. Type I is a stenosis or mucosal web; type II, a fibrous cord between two bowel ends; type IIIa, blind-ending proximal and distal bowel loops with a V-shaped mesenteric defect. Type IIIb (apple peel deformity or Christmas tree deformity) consists of a blind-ending proximal jejunum, absence of a large portion of the midgut, and a terminal ileum that is coiled around its ileocolic blood supply; type IV, multiple atresias of any kind. (From Grosfeld JL. Pediatric surgery. In: Sabiston DJ, ed. Textbook of Surgery, 1991, by permission of WB Saunders.)