Clinical

Do you recognize this triad?

Figure 1 Quiz of the Week A 25-year-old male presents to the emergency department with headache, retro-orbital pain, and diplopia when gazing to the right. He had visited an urgent care clinic with right ear pain two weeks earlier and had received a short course of antibiotics. After some initial improvement, he became increasingly unwell...

Developmental delay and hypocalcemia—what’s the cause?

Figure 1 Quiz of the Week A 9-year-old girl is brought to a new pediatrician by her mother over concerns regarding her weight. She has a history of developmental delay, and her mother mentions that she is noticeably shorter than her peers. She is noted to have a round face and bilaterally shortened fourth metacarpals...

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...