necrotizing fasciitis

Necrotizing fasciitis

Necrotizing fasciitis

• Diagnosis?- Necrotizing fasciitis• What is the most common predisposing

factor?– A. Trauma– B. Surgery– C. Vascular abnormality– D.

• What is the hallmark finding?– A. Edema– B. Swelling– C. Soft tissue gas– D. Cortical Erosion

• 45 year old male with a history of uncontrolled diabetes. One day history of left thigh pain aggravated by movement.

DIABETIC MUSCLE INFARCTION

DIABETIC MUSCLE INFARCTION• Diagnosis?• Most commonly affected muscle?– A. Thigh– B. Forearm– C. Arm– D. Hand

• Imaging of choice?– A. X-ray - C. MRI– B. Ultrasound - D. CT scan

Myositis Ossificans

Myositis Ossificans

• Diagnosis? • Most important radiographic manifestation?– A. rim calcification and ossification with a lucent

center– B. Cortical erosion– C. Soft tissue swelling– D. Sunburst reaction

• This usually is seen after how long?– A. 2-3 weeks– B. 2-3 months– C. 5 to 6 months– D. 2-3 days

Compartment syndrome

Compartment syndrome

• Diagnosis?• Contrast enhancement is used for?-– A.distinguishing between perfused and devitalized muscle.– B. determine other possible pathology.– C. distinguished thrombus formation

• Most common site?– A. volar compartment of the forearm – B.anterior and deep posterior compartment of the leg– C. All of the above– D. None of the above.

Benign Gastric ulcer

Benign Gastric ulcer

• Diagnosis• Hallmark of benign ulcer?– A.Mucosa that is intact to the very edge of an

undermining ulcer crater– B. Eccentric location within the lumen of the stomach– C. Width greater than depth– D. Nodular , rolled, irregular, or shouldered edges

• A large flat-based ulcer with heaped-up edges that fold inward to trap a lens shaped barium collection that is convex toward the lumen?

Pseudomembranous colitis

Pseudomembranous colitis

• Most probable diagnosis?• Contributing causes except?– A. surgery– B. Antibiotics – C. intestinal ischemia– D. irrdiation

• Characteristic CT finding?– A.– Accordion sign

duodenitis

duodenitis

• Diagnosis• Major Cause?– A. H. Pylori infection– B. Alcohol– C. anti-inflammatory medications

• UGI findings except– A. Thickening of proximal duodenal folds– B. Enlarged Brunner glands– C. Surrounding fat strandings– D. Deformity of the duodenal bulb

Infectious esophagitis

Infectious esophagitis• Diagnosis?• Most common cause of this disease?

– A.Candida albicans– B. Herpes simplex– C. tuberculosis– D. Cytomegalovirus

• Radiographic findings include– A. Stricture formation– B. Abscess formation– C.Tiny nodular, or they may be giant and coalescent with

pseudomembranes– D. Sinus tract formation