Chalazion Definition

Firm nodular bulb within the tarsus.

Epidemiology and etiology: Chalazia occur relatively frequently and are caused by a chronic granulomatous inflammation due to buildup of secretion from the meibomian gland.

Symptoms: The firm painless nodule develops very slowly. Aside from the cosmetic flaw, it is usually asymptomatic (Fig. 2.18).

Differential diagnosis: Hordeolum (tender to palpation) and adenocarci-noma.

Treatment: Surgical incision is usually unavoidable (Fig. 2.19).

H After introducing the chalazion clamp, the lesion is incised either medially, perpendicular to the margin of the eyelid, or laterally, perpendicular to the margin of the eyelid (this is important to avoid cicatricial ectropion). The fatty contents are then removed with a curet.

Prognosis: Good except for the chance of local recurrence.

Fig. 2.18 Painful to palpation, the chalazion is caused by a chronic buildup of secretion from the meibomian glands.

— Surgical removal of a chalazion. -

Fig. 2.19 After the chalazion clamp a has been introduced and the lesion incised with a scalpel, the fatty contents are removed with a curet.

Fig. 2.19 After the chalazion clamp a has been introduced and the lesion incised with a scalpel, the fatty contents are removed with a curet.

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