ROBERT L. FRIEDMAN, M.D.
Interlobar effusions are not uncommon in cardiac failure. Most frequently they are loculated in the right lesser fissure, rarely in the azygos fissure. The rarity of this latter localization prompts the present report.
A point to be noted in considering the rarity of loculated effusion in the azygos fissure in cardiac failure is the incidence of the azygos fissure in routine chest surveys. In 50,000 examinations, Etter1 found an incidence of 0.26 per cent; Litten,2 0.07 per cent in 8,000 cases; Minehart,3 0.13 per cent in 10,000 cases; and Pendley,4 1.05 per cent in 150,000 cases. Since the average incidence
FRIEDMAN RL. LOCULATED AZYGOS FISSURE EFFUSION IN CARDIAC FAILURE1. Ann Intern Med. ;38:582–585. doi: 10.7326/0003-4819-38-3-582
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Published: Ann Intern Med. 1953;38(3):582-585.
Cardiology, Heart Failure.
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