Abdominal Wall Lesions: Computed Tomography Findings

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Abstract

The assessment of lesions of the abdominal wall is frequently underestimated or even missed, especially when the lesion is too small or patients are obese. CT is an excellent method for evaluating abdominal wall lesions, because it provides more exact information concerning their nature and extent as well as any related intraperitoneal processes. This article presents a pictorial display of the abdominal wall lesions that are best detected by CT. Examples include inflammations (omental abscess, cysticercosis, actinomycosis, necrotizing fasciitis); benign tumors (lipoma, hemangioma, neurofibroma); primary mallignant tumors (desmoid, malignant fibrous histiocytoma); metastatic tumors (hematogenous metastasis, direct tumor invasion, umbilical lymph nodes); hernias (inguinal, obturator, umbilical, epigastric, incisional); and miscellaneous (vascular lesions, hematoma, heterotopic ossification of midline incision, incisional endometrioma).

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