An outpouching from the lumen into an area of central necrosis within a large smooth muscle tumor, along any part of the intestinal wall.
Farlex Partner Medical Dictionary © Farlex 2012
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Basically, a true diverticulum having all components of the jejunal wall, is expected to be more durable than an acquired jejunoileal pseudodiverticulum which has only mucosa, submucosa, and occasionally a thin layer of serosa without muscle (Figure 2b).
The acquired type is usually a pseudodiverticulum where there is herniation of the mucosa through the wall of the duodenum.
Myxoglobulosis of the appendix associated with a proximal carcinoid and a pseudodiverticulum. Ann Diagn Pathol 2006; 10: 166-168.
Classic findings after laryngectomy are pseudodiverticulum and fistula.
Zenker's diverticulum, a pseudodiverticulum of the esophagus, requires surgical treatment; the classical approach is diverticulectomy and cricopharyngeal myotomy [1].
Complications of penile fracture are penile curvature, erectile dysfunction, pain during intercourse, high-flow priapism, pseudodiverticulum and fistula.[sup.19] Surgical treatment by sub-coronal incision is the standard incision for fracture penis.
The videourodynamic clinician should not only visualize the size and location of bladder diverticula; diagnosis should also include imaging the neck of the diverticulum to ensure it is not a pseudodiverticulum.
The ballooning of the lateral wall of the pharynx during the Valsalva maneuver is considered to be a typical finding or even a pseudodiverticulum. (5,6,15)
A diverticulum of the colon is a sac-like outpouching of the mucosa and submucosa through the muscular layer and is thus in reality a pseudodiverticulum because all the layers of the colon are not represented.