Repeated USMLE Questions Step 2 CK- 483

Q- A 35-year-old man complains of pain and swelling in the sacro-coccygeal region. Which of the following is the most likely diagnosis?

A- Liposarcoma

B- Perianal abscess

C- Pilonidal abscess

D- Suppurative hidradenitis

C- Pilonidal abscess- This is the most common infection at this region. It is associated with pain, swelling, sweating and purulent exudate. Other conditions could occur at this region but less likely.

Q- Which of the following procedures is used in case of Barrett esophagus without dysplasia?

A- Endoscopy and biopsy every 3 months

B- Endoscopy and biopsy every 6 months

C- Endoscopy and biopsy every 3 years

D- Endoscopic eradication

C- Endoscopy and biopsy every 3 years- If there is dysplasia, this procedure should be done every 3-6 months to evaluate malignant transformation. In this case with no dysplasia, evaluation every 3 years is appropriate.

Q- A 70-year-old man develops chest pain 2 days after hip replacement. Which is the most likely diagnosis?

A- Bundle branch block

B- Cor pulmonale

C- Myocardial infarction

D- Pulmonary embolism

D- Pulmonary embolism- Most common cause of chest pain in post-operative settings due to immobilization after surgery.

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