Intranasal Localization of the Lacrimal Sac

Intranasal localization of the lacrimal sac.

OBJECTIVE To optimize the approach to the lacrimal sac during intranasal dacryocystorhinostomy. DESIGN Microscopic measurement of anatomical landmarks in cadaver sagittal head sections. SETTING The anatomy department of a large university hospital. PARTICIPANTS Twenty adult cadaver sagittal head sections (12 right and 8 left) fixed with 10% formaldehyde solution were evaluated. INTERVEN...

Applied Endoscopic Anatomical Evaluation of the Lacrimal Sac

Introduction: Dacryocystorhinostomy (DCR), a popular surgical procedure, has been performed using an endoscopic approach over recent years. Excellent anatomical knowledge is required for this endoscopic surgical approach. This study was performed in order to better evaluate the anatomical features of the lacrimal apparatus from cadavers in the Isfahan forensic center as a sample of the Iranian ...

Carcinoma of the lacrimal sac.

Hemangiopericytoma of the lacrimal sac.

Hemangiopericytoma (HPCT) rarely originates in the lacrimal sac; 7 cases have been reported previously and only 1 contained an ultrastructural study. In this article we report an additional case and review the previous reports. While the initial biopsy specimen showed nonspecific cytologic abnormalities, light and electron microscopic studies on the subsequently excised tumor demonstrated that ...

Diverticulum of the lacrimal sac.

A woman aged 33 was admitted to the Unit on February 17, 1957. She had been referred by Mr. W. E. Heath from the Kent County Ophthalmic and Aural Hospital, Maidstone, where she had attended early in 1955 and again in July, 1956. Her complaint was of a swelling in the right lacrimal region which had slowly increased in size since her first attendance in 1955; recently there had been epiphora of ...