Chalazion



Chalazion


Larissa V. Furtado, MD









In this photograph, a chalazion can be seen on the patient’s upper eyelid image. These cysts commonly occur in this location due to the higher density of meibomian glands on the upper lid. (Courtesy Moran Eye Center.)






Chalazion is characterized by chronic granulomatous inflammation including multinucleated giant cells image, plasma cells image, and lymphocytes image. Note a fat globule within a granuloma image.


TERMINOLOGY


Synonyms



  • Meibomian gland lipogranuloma


  • Meibomian cyst


ETIOLOGY/PATHOGENESIS


Etiology



  • Chronic obstruction of meibomian or Zeis glands → retained meibomian secretions → chronic granulomatous inflammation


Risk Factors



  • Associated with chronic blepharitis, seborrhea, and acne rosacea

Jul 8, 2016 | Posted by in PATHOLOGY & LABORATORY MEDICINE | Comments Off on Chalazion
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