Clinical

What’s causing this characteristic appearance on CT?

Figure 1 Quiz of the Week A 37-year-old female presents to her family physician with recurring abdominal and flank pain. She mentions her mother suffered from kidney problems but doesn’t know many details. Examination reveals a blood pressure of 170/110 mmHg and proteinuria is present on dipstick. Laboratory tests show an elevated hematocrit, microalbuminuria, and...

What’s causing this teenager’s vision loss?

Figure 1 Quiz of the Week A 14-year-old boy is brought to the pediatrician by his mother over concerns of difficulty walking and worsening clumsiness. He reports a gradual loss of night vision, and a long history of chronic diarrhea which is pale and foul-smelling. Examination reveals an ataxic gait, and loss of deep tendon...

When to initiate treatment in patients with HIV

Figure 1 Quiz of the Week A 60-year-old man who is HIV positive presents with fever, dyspnea, and inflammatory lesions on the skin. A biopsy reveals a diagnosis of histoplasmosis.  Image credit: @BiBiRamos. #AIDS15.   Answer: Any CD4 count The WHO now recommends ART should be started at any CD4 count. Early initiation of ART can...

How would you treat this tumor?

Figure 1 Quiz of the Week A 21-year-old female presents with a six-month history of irregular menses, decreased libido, impaired vision, and galactorrhea. An MRI is completed. Image credit: @suzical31.   Answer: Dopamine agonist This patient has clinical findings and imaging suggestive of macroprolactinoma, a benign adenoma of the pituitary gland that overproduces the hormone prolactin....