Infectious Diseases

A 2-month-old girl presented to the emergency department for evaluation of fever, fussiness, poor oral intake, and nasal congestion for 1 day.

H pylori is a microaerophilic, spiral-shaped, gram-negative bacterial species that is linked to many GI tract diseases.

A 23-month-old girl presented to the hospital for evaluation of a perianal mass. Her grandmother stated that the lesion had appeared 6 months ago.

A 23-month-old girl presented to the hospital for evaluation of a perianal mass. Her grandmother stated that the lesion had appeared 6 months ago.

Patients with chronic or critical illness who develop a splenic abscess present an immediate clinical conundrum for the health care team.

A 33-year-old active-duty sailor presented with 2 nonhealing, nonpruritic, painless lesions—1 on his abdomen and 1 on his back—for 2 months after having returned from a deployment in Iraq.

A 9-year-old boy presented to a pediatric hospital for evaluation of fever, cough, and nasal congestion that had been present for 4 days.

M pneumoniae infections typically are mild but can be associated with a mucositis similar to that seen with SJS.

CMV neurologic disease can involve the brain, spinal cord, dorsal column nerve roots, or peripheral nerves.

A 6-year-and-10-month-old girl presented with a sore throat and fever of 3 days’ duration. She denied cough, rhinorrhea, dyspnea, diarrhea, and genitourinary tract symptoms. She had no history of recent...