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Chalazion

 Syn. Eyelid gland obstruction , Chronic lipogranulomatous inflammatio , Granulomatous inflammation of a meibomian gland

Signs & Symptoms

 Chronic Non-tender erythematous firm nodule in inner eyelid #Criteria
Note: mildly erythematous
Ref: Uptodate [ Eyelid lesions] Vaughan [ 161] BCSC [ 278,228]
Chronic Non-tender erythematous rubbery nodule in inner eyelid #Criteria
Note: mildly erythematous
Ref: Uptodate [ Eyelid lesions] Vaughan [ 161] BCSC [ 278,228]
Swelling of eyelid #Criteria
Ref: Uptodate [ Eyelid lesions] Vaughan [ 161] BCSC [ 227]
Localized lesion of eyelid #Criteria
Ref: Uptodate [ Eyelid lesions] Vaughan [ 161] BCSC [ 227]

Physical Examination

 Chronic Non-tender erythematous firm nodule in inner eyelid #Criteria
Note: mildly erythematous
Ref: Uptodate [ Eyelid lesions] Vaughan [ 161] BCSC [ 278,228]

Lab / Serology

Imagin Study

Complication

 Pyogenic granuloma
Note: Mimics Chalazion/ ddx
Ref: BCSC [ 83]
Astigmatism
Note: sufficiently large, a chalazion may press on the globe and cause astigmatism
Ref: Vaughan [ 161] BCSC [ 83]
Mechanical ptosis
Ref: BCSC [ 317]

Risk Factors

Cause

 Chronic blepharitis
Ref: Uptodate [ Eyelid lesions] Vaughan [ 161] BCSC [ 227]
Hordeolum
Note: Sometimes Chalazion can be developed from a Hordeolum after the inflamation resolved. ( uptodate)
Ref: Uptodate [ Eyelid lesions]
Rosacea
Ref: Uptodate [ Eyelid lesions] Vaughan [ 161] BCSC [ 227]

Other