Chalazion Flashcards
Chalazion / Tarsal / Meibomian Cyst
Chronic
Non-infective
Non-suppurative
Lipogranulomatous inflammation (Meibomian gland)
Etiology
Predisposing factors
Age
Habitual rubbing
Diabetes mellitus
Metabolic factors
Pathogenesis (Meibomian gland
Mild grade infection (low virulence)
Proliferation of epithelium
Infiltration of ducts (blocked)
Enlargement (retention of secretions)
Extravasated secretions (fatty) irritate and excited inflammation.
Clinical symptoms
Swelling (painless)
Heavyness of lid (mild)
Blurred vission (induced astigmatism)
Watering (epiphora) (eversion of lower punctate).
Clinical signs
Nodule
Firm-Hard
Non-tender
Upper lid (commonly)(more meibomians)
Multiple
Reddish purple area (on palpebral conjunctiva)
Projection (skin side)
Marginal chalazion (small reddish grey nodule)
Clinical course
Complete spontaneous resolution
Slow size increase
Fungating mass of granulation tissue (lesions burst)
Secondary infection (hordelum internum)
Calcification
Malignant change (adenocarcinoma)
Treatment
Conservative
Hot fomentation
Topical antibiotic ointment
Anti inflammatory (oral)
Intralesional injection (long acting steroids)(Triamcinolone)
Conventional (Incision and curettage)
Diathermy
Oral tetracycline
