Significats de lacrimal sac en anglès

Two patients had history of lacrimal sac abscess that needed drainage.

Squamous cell carcinomas are the most common malignant lacrimal sac neoplasms.

Dacryocystography allows the identification of space-occupying tumors in the lacrimal sac.

The malignant tumor of lacrimal sac often occurs in the middle-aged and elderly patients.

Ocular rhinosporidiosis usually involves the conjunctiva and the lacrimal sac.

We report a very rare case of recurrent nasopharyngeal carcinoma with local involvement of lacrimal sac.

The patients with primary lacrimal sac borderline and malignant masses were all in the groups of over 40 years old.

Success of treatment was defined as complete resolution of symptoms and negative regurgitation on pressure over lacrimal sac (ROPLAS) area.

Despite these facts, a case of an angiofibroma presented in a 15-month-old boy at an atypical site anterior and medial to the lacrimal sac.

Methods: In this retrospective observational case series, pathology records were searched for all cases of lacrimal sac mucoepidermoid carcinoma diagnosed between 1990 and 2018.

These neoplasms consisted of primary peripunctal neoplasms in 17 patients, primary canalicular neoplasms in 2 patients, and primary lacrimal sac neoplasms in 45 patients.

Lacrimal sacs and ducts were well visualized in all of 10 normal volunteers by using the saline solution or the diluted Gd-DTPA solution.

Lacrimal sac transitional cell carcinoma relapsed 7 months after surgery in one patient, and lacrimal sac melanoma relapsed 1 year after surgery in one patient.