Results 81 to 90 of about 157,176 (268)

Hemangiopericytoma of the Lacrimal Sac

Ophthalmology, 1991
Hemangiopericytomas of the orbit are rare tumors with low malignancy potential. To the authors' knowledge, only three previous cases of these tumors occurring in the lacrimal sac have been reported. The authors report a fourth case. Follow-up was obtained on the first reported case, and the patient in that case had a recurrence after 15 years.
Sanford I. Roth, Carey Z. August, Gary S. Lissner, Richard B. O'Grady   +3 more
openaire   +6 more sources

Immunoglobulin G4–related lacrimal sac dacryocystocele: A novel case report

American Journal of Ophthalmology Case Reports, 2020
Purpose: Immunoglobulin G4-related disease is a systemic fibroinflammatory disease of unknown etiology. Immunoglobulin G4-related ophthalmic disease (IgG4-ROD) can manifest in multiple ways, but lacrimal sac involvement is rare. We present the first case
Sunny Chi Lik Au, Kai Ching Peter Leung, Edwin Chan, Simon Tak Chuen Ko   +3 more
doaj  

A study to observe the effectiveness of dacryocystectomy in the management of chronic dacryocystitis

Asian Journal of Medical Sciences, 2022
Background: Diseases of the Lacrimal sac could be secondary to the disease of the neighboring areas, namely, that of nose, orbit, and the face. And yet, the diseases of the Lacrimal sac can spread to these areas. Aims and Objectives: The present study
Bhanumurthy Gangalapuram , Padala Venkateswara Prasad , Mahesh Gajula   +2 more
doaj   +1 more source

Detection of Helicobacter Pylori in the lacrimal sac mucosa of the patients with primary acquired nasolacrimal duct obstruction [PDF]

, 2011
Helicobacter pylori have been detected in sinonasal mucosa in both normal and pathologic condition. The nasolacrimal duct is within the medial wall of maxillary sinus and open into the nasal cavity, so ascending colonization of nasolacrimal duct and ...
Abtahi, Seyed Mohammad Bagher, Azarpira, Negar, Owji, Naser   +2 more
core   +1 more source

Contrast computed tomography dacryocystorhinography identifies nasolacrimal duct obstruction secondary to chronic dental disease in two chinchilla langeria

Veterinary Ophthalmology, EarlyView.
Abstract Objective To determine the impact of chronic dental disease on the nasolacrimal duct of chinchillas using contrast CT dacryocystorhinography. Animals Studied Two 12‐year‐old female chinchillas with uni‐ or bilateral ocular discharge and a history of chronic, moderate (Chinchilla 1, one‐year) or severe (Chinchilla 2, three‐years) dental disease.
Erin A. Hisey, Paula Rodriguez, Danielle K. Tarbert, Joanne R. Paul‐Murphy, Carli Hendrickson, Kelsey Brust, David J. Maggs, Brian C. Leonard   +7 more
wiley   +1 more source

Lateral Tarsorrhaphy and Fixation on the Orbital Ligament to Correct Macroblepharon in Dogs: 77 Palpebral Fissures

Veterinary Ophthalmology, Volume 28, Issue 2, Page 448-456, March 2025.
ABSTRACT Purpose To describe a surgical method for correcting lower lid entropion, lateral canthal entropion, and macroblepharon. Methods Lid margins were incised at a 45° angle, and lateral lid margins and a rhomboid shaped piece of skin were resected based on the degree of macroblepharon.
Maximilian Werner‐Tutschku, Barbara Nell   +1 more
wiley   +1 more source

Benign mixed tumor of the lacrimal sac

Indian Journal of Ophthalmology, 2015
Neoplasms of the lacrimal drainage system are uncommon, but potentially life-threatening and are often difficult to diagnose. Among primary lacrimal sac tumors, benign mixed tumors are extremely rare.
Jong-Suk Lee, Hwa Lee, Minwook Chang, Minsoo Park, Sehyun Baek   +4 more
doaj   +1 more source

Central connections of the lacrimal functional unit [PDF]

, 2017
Purpose: To study the contribution of each eye to the reflex tear response, after unilateral and bilateral topical anaesthesia. Method: A closed eye, modified Schirmer test was performed bilaterally in 8 normal subjects, in a controlled environment ...
Bron, Anthony J., Buckley, Roger J., Willshire, Catherine   +2 more
core   +1 more source

Determination of Ophthalmic Parameters and Ocular Morphology in Ring‐Necked Parakeets (Psittacula krameri)

Veterinary Ophthalmology, EarlyView.
ABSTRACT Purpose To determine normal ophthalmic test values and to describe the ocular morphology of ring‐necked parakeets (Psittacula krameri). Materials and Methods 33 captive birds were examined, although not all tests were conducted on each bird.
Fernanda Taques Wendt, Fabiano Montiani‐Ferreira, Cecília Capacchi Dall’agnol, Franz Riegler Mello, Thiago Francisco Costa Solak, Breno Castello‐Branco Beirão, Marcello Machado, Rogério Ribas Lange   +7 more
wiley   +1 more source

Intranasal Localization of the Lacrimal Sac [PDF]

Archives of Otolaryngology–Head & Neck Surgery, 2009
To optimize the approach to the lacrimal sac during intranasal dacryocystorhinostomy.Microscopic measurement of anatomical landmarks in cadaver sagittal head sections.The anatomy department of a large university hospital.Twenty adult cadaver sagittal head sections (12 right and 8 left) fixed with 10% formaldehyde solution were evaluated.During ...
Saylam, Canan Y., Orhan, Mustafa, Midilli, Rasit   +2 more
openaire   +4 more sources