Spot Diagnosis

An otherwise healthy 45-year-old man presented with a 4-week history of nonpainful discoloration of the maxillary gingiva. He had no history of pigmented skin lesions. What is the Diagnosis ?

A 69-year-old woman presented to the emergency department with a 3-day history of progressively worsening abdominal distention and pain. She was taking dexamethasone for cerebral edema associated with glioblastoma multiforme. What's the Diagnosis?

A woman presented with this tender lesion on her abdomen; she was previously healthy, did not recall a recent insect bite, and otherwise had no symptoms. She improved with antibiotics. What is the diagnosis?

A 23-year-old man who had been a passenger in a minivan was brought to the emergency department after a high-speed road-traffic accident. He had transient hypotension and tachycardia, which improved after the administration of intravenous fluids.

During childhood this patient had had an alkali burn of the esophagus that resulted in complete esophageal stenosis. What is the most likely cause of this physical finding?

A 63-year-old man with a history of peptic ulcer and recent use of nonsteroidal antiinflammatory medications presented to the emergency room with an acute onset of shortness of breath and chest pain. What's the Diagnosis ?

What is the most likely diagnosis associated with these findings and symptoms of eye and ear pain?

A 48-year-old man was referred to the emergency department for chest trauma related to a motorcycle accident. What is the Diagnosis ?

What is the most likely cause of this finding in a woman undergoing treatment for breast cancer with spinal metastases?

A 19-year-old man presented with a congenital skin lesion on the left clavicular region. What is the most likely diagnosis for this lesion?