67-year-old man with atypical meningioma complaining of left eye pain and sudden complete blindness.

A 75-year-old man who had been admitted after left heart catheterization suddenly developed aphasia.

A 55-year-old man presented to the emergency department with severe acute knee pain following a twisting injury while skiing.

A 52-year-old woman presented to the emergency department with abdominal pain.

A man in his 60s presented with a history of abdominal pain.

A male patient presented with headache and dizziness.

A 42-year-old man presented with bilateral arm weakness and worsening gait instability.

A 68-year-old man presented with a palpable penile mass.

A 28-month-old boy presented with left lower extremity overgrowth.

A 23-year-old man presented to the emergency department after persistent right knee pain after a fall two months ago.

A 67-year-old man with bipolar disorder presented for routine ultrasound for renal mass surveillance.

A 47-year-old man with a history of alcohol-related liver disease complicated by portal hypertension and variceal bleeding, status post remote transjugular intrahepatic portosystemic shunt placement (TIPS) presented to the emergency room with upper gastrointestinal bleeding.

A woman in her 40s presented with pelvic pain. She had a mildly elevated CA-125 level.

A 34-year-old man presented for outpatient department follow-up after percutaneous pulmonary valve implantation with mild shortness of breath on exertion but denied any fever or other cardiac symptoms.

A 55-year-old man presented with right knee pain after a long hike.

A 34-year-old man admitted with three months of back pain and malaise presented with new left lower extremity weakness.

A 54-year-old woman presented with right breast lump and focal pain.

A 65-year-old man presented to the emergency department due to left scalp swelling with clear nasal discharge.

A woman in her 50s presented with dizziness and falls.

A 47-year-old man with Peutz-Jeghers syndrome (PJS) who had undergone sclerotherapy at another hospital for a cyst in hepatic segment IV presented with a papillary protuberance on the wall of the hepatic cyst; a relatively rapid growth trend suggested malignancy.