Ophthalmology Book

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ChalazionAka: Chalazia

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  1. See Also
    1. Hordeolum
  2. Epidemiology
    1. Occurs in all ages
  3. Pathophysiology
    1. Meibomian Gland affected
      1. Sebaceous Gland in lid tarsal plate
    2. Chronic granulomatous inflammation
  4. Signs
    1. Small non-tender Nodule ("English pea")
    2. Deep inside lid
    3. Adjacent to palpebral Conjunctiva
      1. Conjunctiva is red and elevated in affected area
  5. Differential Diagnosis
    1. Internal Hordeolum (painful as contrasted with the painless chalazion)
    2. Lid malignancy
      1. Biopsy needed if chalazia recur in same area
  6. Management
    1. Small chronic chalazia need no treatment
    2. Larger chronic chalazia
      1. Indications for treatment
        1. Cosmetic swelling
        2. Secondary Astigmatism from pressure on globe
      2. Refer to Ophthalmology for treatment
        1. Surgical Excision (preferred)
        2. Local steroid injection
    3. Infected chalazia
      1. Same management as for Hordeolum

Meibomian Cyst (C0007933)

Definition (MSH)A non-neoplastic cyst of the MEIBOMIAN GLANDS of the eyelid.
ConceptsDisease or Syndrome (T047)
ICD9373.2, 373.2
MSHD017043
EnglishChalazion, Chalazions, Meibomian Cyst, Meibomian gland cyst, Tarsal cyst
Spanishcalacio, chalazion, quiste de la glandula de Meibomio, quiste de Meibomio, quiste tarsiano
Parent ConceptsDisorders involving inflammation of the eyelids (C1812623), Cyst (C0010709), Eyelid Diseases (C0015423), Non-Neoplastic Eyelid Disorder (C1335010), Sebaceous Gland Diseases (C0036502), Cyst of eyelid NOS (C0155218), Meibomian gland finding (C0423140), Duplicate concept (C1274013)
SourcesCOSTAR, DXP, ICD9CM, MSH, MTH, MTHICD9, NCI, NDFRT, SCTSPA, SNOMEDCT
Derived from the NIH UMLS (Unified Medical Language System)



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