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PATHOLOGIC QUIZ CASE 1
FRANK N. RITTER, MD, ANN ARBOR, MICH
A 16-week-old child was born with biliary atresia and an absent gallbladder. A surgical attempt to reconstruct the bile duct was unsuccessful, and the patient died of complications from surgery and pneumonitis. A note on the record stated that the ears were normal to inspection. A vertical section of the right temporal bone at right angle to the long axis of the petrosa appears in Fig 1.
PATHOLOGIC QUIZ CASE 2
FRANK N. RITTER, MD
A patient first noticed a bilateral progressive hearing loss at age 25. There were no accompanying dizzy spells or previous ear infections, but a familial history of deafness existed since the patient's mother and a sibling had a progressive hearing loss. The patient had never worked in a noisy environment but noticed that he could hear better in noisy places (paracusia Willisii).In 1950,