Results 1 to 10 of about 157,176 (268)

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

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   +5 more sources

Lacrimal sac lymphoma: a case series and literature review [PDF]

International Journal of Ophthalmology, 2022
AIM: To study the clinical and pathological characteristics of the lacrimal sac lymphoma, which is rare but it is the major type of non-epithelial malignant tumor in the lacrimal sac region.
Feng-Xi Meng, Han Yue, Yi-Qun Yuan, Rui Zhang, Yi-Fei Yuan, Ying-Wen Bi, Jiang Qian   +6 more
doaj   +3 more sources

Recurrent Oncocytoma of the Lacrimal Sac [PDF]

Case Reports in Pathology, 2022
Oncocytoma of the lacrimal sac is an extremely rare tumor. In this report, we present the case of an 82-year-old woman who presented with swelling in the region of the lacrimal sac.
Faris Almutairi, Mazen Alsamnan, Azza Maktabi, Sahar Elkhamary, Hind M. Alkatan, Humoud AlOtaibi   +5 more
doaj   +3 more sources

Lacrimal Sac Tumors: A Single-institution Experience, Including New Insights. [PDF]

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.
Wakasaki T, Yasumatsu R, Tanabe M, Yoshikawa H, Jiromaru R, Hashimoto K, Matsuo M, Fujimura A, Nakagawa T.   +8 more
europepmc   +2 more sources

Positional relationship between lacrimal sac and skull base: implication of risk of cerebrospinal fluid leakage during dacryocystorhinostomy

Scientific Reports, 2022
Cerebrospinal fluid (CSF) leakage is a rare but severe complication during dacryocystorhinostomy (DCR). Understanding the details of the anatomy of the lacrimal drainage system and skull base is essential to avoid this complication.
Shinjiro Kono, Aric Vaidya, Munekazu Naito, Takashi Nakano, Makoto Ito, Hirohiko Kakizaki, Yasuhiro Takahashi   +6 more
doaj   +2 more sources

Lacrimal sac lymphoma: a case report. [PDF]

Arch Craniofac Surg, 2022
Primary lymphoma originating from the lacrimal drainage system is a rare disease. Such lymphomas are mostly B-cell in origin and present nonspecific symptoms. The treatment of malignant lymphoma of the lacrimal drainage system is slightly different.
Ueathaweephol S, Wongwattana P, Chanlalit W, Trongwongsa T, Sutthinont S.   +4 more
europepmc   +2 more sources

Bacterial 16S rRNA gene alterations in the conjunctival sac and lacrimal sac in chronic dacryocystitis [PDF]

Indian Journal of Ophthalmology
Purpose: Dysbiosis of the microbial community in the lacrimal sac has been associated with the occurrence and development of chronic dacryocystitis.
Jie Chen, Fangzheng Shi, Siya Chen, Yulu Liu, Yuxin Xu   +4 more
doaj   +2 more sources

Reference role of middle turbinate axilla in lacrimal sac localization assisted by computed tomographic dacryocystography-reference value of middle turbinate in locating lacrimal sac [PDF]

BMC Ophthalmology, 2022
Background The middle turbinate axilla (MTA) has always been used as a stable anatomic landmark for endoscopic surgeons to locate the lacrimal sac on the lateral nasal wall.
Lihong Yang, Hongxun Li, Zhi Yin, Lei Zhang, Zhenhai Yang   +4 more
doaj   +2 more sources

CT and MRI findings in relapsing primary malignant melanoma of the lacrimal sac: a case report and brief literature review

BMC Ophthalmology, 2020
Background Primary lacrimal sac melanoma is an extremely rare condition with fewer than 50 cases reported so far. Clinically, its symptoms resemble those of dacryocystitis, leading to frequent misdiagnosis.
Ju-Wei Shao, Jian-Hua Yin, Shu-Tian Xiang, Qian He, Hong Zhou, Wei Su   +5 more
doaj   +2 more sources

Lacrimal Sac Tumors: A Case Series. [PDF]

Ocul Oncol Pathol, 2022
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.
Kadir SMU, Rashid R, Sultana S, Nuruddin M, Nessa MS, Mitra MR, Haider G.   +6 more
europepmc   +2 more sources