Seven cases with posterior polymorphous changes of the cornea are reported. After clinical and pathological examination of the above cases, as well as a short review of the literature, the following points are made: (1) Some cases are congenital, being either familial or sporadic, but others are acquired. (2) The term "posterior polymorphous keratopathy" covers all the variants of the condition...

Polymorphous low-grade adenocarcinoma (PLGA) of the parotid gland is rare. We describe a new case in which the patient underwent parotidectomy only to experience an extensive recurrence 2 years later. The recurrence was treated with radical surgical excision and radiation therapy, and the patient remained disease-free at 5 years of follow-up. We also review the literature on primary parotid PLGA.

INTRODUCTION Polymorphous low grade adenocarcinoma (PLGA) is a rare salivary gland neoplasm with an indolent course. It occurs primarily in the minor salivary glands but can rarely occur in the major salivary glands. It usually occurs in the fifth to seventh decades of life with female preponderance. CASE REPORT A 16-year-old male presented with recurrent painless swelling in the right preaur...

OBJECTIVE To reappraise the clinical and histologic variables associated with a more aggressive outcome in polymorphous low-grade adenocarcinoma (PLGA). DESIGN Retrospective cohort. SETTING University hospital. PATIENTS Twenty-four patients with PLGA treated from January 1, 1973, through December 31, 2005. MAIN OUTCOME MEASURE Analysis of clinical and pathologic variables in 30 biopsy o...