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Section Editor: Grace S Rozycki, MD


Arch Surg. 2001;136(7):836. doi:.
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ANSWER: CECAL BASCULE

Figure 1. Plain abdominal radiograph demonstrating dilated loops of large bowel.

Figure 2. Schematic diagram illustrating the cecal bascule. The cecum is folded onto the ascending colon.

Figure 3. Specimen of massive dilated cecum.

Although the cecal bascule was first reported by Treves in 1899,1 it was Mandel Weinstein who characterized it as a type of cecal volvulus.2 The term bascule is French, meaning seesaw, which describes a type of balanced drawbridge.3 This analogy is seen in the pathological features of a cecal bascule because the redundant mesentery or hypofixation, in combination with massive distention, allows the cecum to fold onto itself (Figure 2).4,5 Subsequently, adhesions form between the anterior wall of the cecum and the ascending colon, resulting in basculation.6 With the cecum flipped upward on itself, a deep crease across the bowel forms, and as a result, occlusion of the gut lumen with bowel obstruction ensues.3

The signs and symptoms of a cecal bascule are similar to those of cecal volvulus. Although abdominal pain and massive distention are common to both entities, the presence of previous abdominal surgery, especially appendectomy, is more often associated with the cecal bascule. Additionally, patients are frequently critically ill, requiring prolonged ventilatory support.

Massive distention of the small bowel and cecum are commonly noted on the plain abdominal radiograph, which is the mainstay of the diagnosis. Neither the typical "coffee-bean sign" associated with cecal volvulus nor the "bird's beak" of sigmoid volvulus are present because there is no axial torsion of the bowel. In the radiograph of the patient described, the cecum measured 20 cm in diameter, which was consistent with the operative specimen (Figure 3).

The treatment is primarily surgical, and if gangrenous bowel is noted, a right hemicolectomy should be performed.

Corresponding author: Grace S. Rozycki, MD, Department of Surgery, Emory University School of Medicine, Glenn Memorial Bldg, 69 Butler St SE, Room 302, Atlanta, GA 30303 (e-mail: grozyck@emory.edu).

Treves  F Intestinal Obstruction.  New York, NY W Wood & Co1899;135
Weinstein  M Volvulus of the cecum and ascending colon. Ann Surg. 1938;107248- 259
Link to Article
Pousada  L Cecal bascule: an overlooked diagnosis in the elderly. J Am Geriatr Soc. 1992;4065- 67
Bobroff  LMessinger  NSubbarao  K  et al.  The cecal bascule. Am J Roentgenenol Radium Ther Nucl Med. 1972;115249- 252
Link to Article
Krippaehne  WWVetto  RMJenkins  C Volvulus of the ascending colon: report of twenty-two cases. Am J Surg. 1967;114323- 332
Link to Article
Brandt  L The colon. Brandt  LBezahler  GWolf  EGastrointestinal Disorders of the Elderly. New York, NY Raven Press1984;261- 367

Tables

References

Treves  F Intestinal Obstruction.  New York, NY W Wood & Co1899;135
Weinstein  M Volvulus of the cecum and ascending colon. Ann Surg. 1938;107248- 259
Link to Article
Pousada  L Cecal bascule: an overlooked diagnosis in the elderly. J Am Geriatr Soc. 1992;4065- 67
Bobroff  LMessinger  NSubbarao  K  et al.  The cecal bascule. Am J Roentgenenol Radium Ther Nucl Med. 1972;115249- 252
Link to Article
Krippaehne  WWVetto  RMJenkins  C Volvulus of the ascending colon: report of twenty-two cases. Am J Surg. 1967;114323- 332
Link to Article
Brandt  L The colon. Brandt  LBezahler  GWolf  EGastrointestinal Disorders of the Elderly. New York, NY Raven Press1984;261- 367

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