Kazan medical journalKazan medical journal0368-48142587-9359Eco-Vector5777910.17816/kazmj57779MiscellaneousRare otoscopic pictureBoardEditorialinfo@eco-vector.com130819302688528520801202108012021Copyright © 2021, Board E.2021<p style="text-align: justify;">Rhino-laryngo-otiatric section<br />31st meeting 6 April 1930<br />Dr. Mertens showed a patient with a rare otoscopic presentation. Through the defect of the tympanic membrane in the upper third of the posterior part of the middle ear, a dark purple formation, soft to the touch, with a smooth spherical surface, is visible, according to the speaker, the wall of the presenting sinus sigmoidei.</p>Kazan Medical archiveКазанский медицинский архив