Apple Core Lesion X Ray

The apple core sign has been used to describe the circumferential erosion of the femoral neck seen in synovial chondromatosis. The second image shows the apple core shape of the lumen. Dilatation of the proximal segment occurs with time passing and one side.

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Colon Ca Apple Core Or Napkin Ring Sign Radiology X Ray

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The appearance of an annular carcinoma of the bowel usually the colon due to bowel wall thickening with resultant circumferential constriction of the lumen.

Apple core lesion x ray. A chest x ray should also be taken to check for metastases. Abdominal ct showing an apple core lesion of the transverse colon arrow in an 86 years old male patient. Annular constricting types of colon on barium studies usually are the shortest filling defects among colon tumors. Differential diagnosis the appearance of the apple core lesi.

Definition apple core lesion of the sigmoid colon the double contrast barium enema shows an apple core lesion caused by circumferential growth of a malignant tumor of the colon in napkin ring fashion. Case discussion this sign is typical of colorectal carcinoma which produces eccentric thickening of the colon wall. Initially they invade unilaterally the lumen to become annular around it later on and produce typical apple core appearance. The apple core sign also known as the napkin ring sign bowel is most frequently associated with constriction of the lumen of the colon by a stenosing annular colorectal carcinoma.

Apple core constricting lesions tumor masses nodal involvement and metastases may be visualized. Abdominal ct showing a polyp in the ascending colon arrow in an 86 years old male patient. Barium enema was performed and showed the apple core sign in the distal portion of the descending colon. Barium enemas ct colonography transrectal ultrasound and colonoscopy allows for biopsies are the best ways to detect colorectal carcinomas.

Apple core sign femur dr craig hacking and dr mohammad taghi niknejad et al.