Classification of CT Findings in 200 patients with unexplained weight loss.

<p>Classification of CT Findings in 200 patients with unexplained weight loss.</p

Baseline characteristics of patients (n = 200).

<p>Baseline characteristics of patients (n = 200).</p

Association between positive CT scan findings and baseline patient variables using univariate logistic regression.

<p>Association between positive CT scan findings and baseline patient variables using univariate logistic regression.</p

True positive category 1 scan—findings highly suspicious for organic etiology.

<p>(A) Axial CT scan of an 80 year old male demonstrates bowel wall thickening of the sigmoid colon (arrow) suspicious for underlying malignancy. (B) Multiple hypodense hepatic lesions are consistent with metastases (arrowheads).</p

False positive category 2 scan–findings indeterminate for possible organic etiology and require further workup.

<p>Axial CT scan of a 74 year old male which demonstrates wall thickening of the rectosigmoid junction (arrow). Follow-up colonoscopy demonstrated no suspicious lesion at the rectosigmoid junction.</p