Results 21 to 30 of about 178,538 (249)

Lacrimal Sac Malignant Melanoma in 15 Japanese Patients: Case Report and Literature Review

Journal of Investigative Medicine High Impact Case Reports, 2019
Background. Primary malignant melanoma of the lacrimal sac is rare. A patient with lacrimal sac melanoma was presented, and 14 Japanese patients with lacrimal sac melanoma in the literature were reviewed. Case Presentation. A 78-year-old Japanese man was
T. Matsuo, Takehiro Tanaka, O. Yamasaki
semanticscholar   +3 more sources

Lacrimal sac dacryolith

Journal of Clinical and Scientific Research, 2018
Dacryolith are concretions observed in any part of nasolacrimal system, but stones within the lacrimal ductules are rare. Dacryolith are usually comprised of organic material, proteins and mucoproteins with approximately 20% amino acid content ...
Sri Ram Naresh, P Gopikrishna, N Harini Devi, P. V L. N Srinivasa Rao   +3 more
doaj   +2 more sources

Poorly differentiated sebaceous carcinoma of the lacrimal sac in a young adult: A case report [PDF]

SAGE Open Medical Case Reports
Lacrimal sac and nasolacrimal duct tumors are extremely rare, and most of them are malignant tumors, which are often misdiagnosed as chronic dacryocystitis. We herein report a rare case of a 29-year-old female, presented with a history of watering in the
Sandeep Pal, Narendra Patidar, Ashik R, Poonam Arora Agrawal, Dev Kumar Tekam   +4 more
doaj   +2 more sources

Epithelial–Myoepithelial Carcinoma of the Lacrimal Sac and Literature Review of the Lacrimal System

Allergy & Rhinology, 2020
Background Epithelial–myoepithelial carcinomas make up less than 0.1% of head and neck malignancies and are regarded as rare, low-grade malignant neoplasms of the salivary gland.
Dhruv Sharma MD, Ashley Neiweem MD, Kyle Davis BS, Mark Prendes MD, Rao Chundury MD, Elisa Illing MD   +5 more
doaj   +2 more sources

Dacryocystectomy: A fibrin glue-assisted subfascial excision

Indian Journal of Ophthalmology, 2023
This article describes a technique of dacryocystectomy involving dissection within the subfascial plane, in which the lacrimal sac fascia is preserved and the orbital fat remains undisturbed.
Jessica Y Tong, Dinesh Selva
doaj   +1 more source

Canalicular opening into the lacrimal sac: How common is the common canalicular opening? [PDF]

Saudi J Ophthalmol
Ali MJ, Bothra N.
europepmc   +2 more sources

Investigation of lacrimal sac space-occupying lesions using color doppler ultrasound, computed tomography, and computed tomography dacryocystography [PDF]

International Journal of Ophthalmology, 2023
AIM: To observe the imaging features of color Doppler ultrasound (CDU) and computed tomography (CT) or computed tomography dacryocystography (CT-DCG) in different types of lacrimal sac space-occupying lesions (SOLs).
Zhen-Bin Qian, Bo Yu, Ye Yang, Wei Fang, Jian-Li Dong, Li-Qing Wei   +5 more
doaj   +1 more source

Lacrimal Sac Tumors: A Single-institution Experience, Including New Insights

In Vivo, 2023
Background/Aim: Lacrimal sac tumors are rare tumor types, with a long time interval from disease onset to diagnosis. We aimed to investigate the characteristics and outcomes of patients with lacrimal sac tumors.
Takahiro Wakasaki, R. Yasumatsu, M. Tanabe, H. Yoshikawa, Rina Jiromaru, K. Hashimoto, M. Matsuo, A. Fujimura, Takashi Nakagawa   +8 more
semanticscholar   +1 more source

Regurgitation on pressure over the lacrimal sac versus lacrimal irrigation in determining lacrimal obstruction prior to intraocular surgeries

Indian Journal of Ophthalmology, 2022
Purpose: To determine the diagnostic accuracy of manual regurgitation on pressure over the lacrimal sac (ROPLAS) versus lacrimal irrigation for screening nasolacrimal duct obstruction (NLDO) in adults prior to intraocular surgeries.
U. Kim, A. Vardhan, Dipankar Datta, A. Mekhala, N. Kishore, Gunjan Rathi, P. Hildebrand   +6 more
semanticscholar   +1 more source

Lacrimal Sac Tumors: A Case Series

Ocular Oncology and Pathology, 2021
Objective: The aim of the study was to describe the clinical presentation, management strategies, and outcomes in a case series of primary lacrimal sac tumors.
S. Kadir, Riffat Rashid, S. Sultana, M. Nuruddin, M. Nessa, Mukti Rani Mitra, G. Haider   +6 more
semanticscholar   +1 more source