Spot 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?

A 6-year-old boy presented to our hospital after several hours of vomiting and dyspnea. He had been in a motor vehicle accident 6 months earlier and sustained a seatbelt injury that necessitated surgical repair of a right diaphragmatic hernia, accessed through the right thorax. What is the diagnosis?

A 42-year-old man presented with a 1-month history of an intensely pruritic eruption on his right foot after a vacation in Nigeria. The eruption was migratory, moving a few millimeters to a few centimeters daily. What is the most likely diagnosis in this patient?

A 92-year-old woman was admitted to the hospital with a severe left-sided ischemic stroke causing altered mental status. An initial attempt to insert a small-caliber nasogastric tube for feeding was unsuccessful, with coiling of the tube in the mouth. A subsequent attempt with a stiff stylet resulted in easy insertion, without cough or respiratory distress.

A 46-year-old woman with a history of infection with the human immunodeficiency virus (HIV) presented to the emergency department for evaluation of a painful rash. The patient reported having been scratched by a cat in the same area three weeks earlier.

A 4-year-old girl presented to the hospital with progressive abdominal pain and distention after a 1-week history of watery diarrhea. The physical examination showed a body temperature of 36.2°C, a distended abdomen, hypoactive bowel sounds, and diffuse tenderness without rebound pain. What's the Diagnosis ?

A healthy 5-year-old girl presented with dry, scaly, erythematous, and annular lesions on her face. What's the Diagnosis?

A 73-year-old man presented to the ED after having intermittent fevers for 2 weeks. He had a history of recurrent UTI, parkinsonism, paraparesis and a neurogenic bladder.

A 31-year-old woman presented with multiple necrotic skin lesions on her nose, ears, and legs that had developed over a period of a few days. he had no history of underlying diseases or infections, but she described several days of exposure to cold after the heating in her home failed and outside temperatures dropped to 50°F (10°C).