S-shaped ptosis is more associated with an acute or chronic dacryoadenitis?

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Study for the NBEO Ocular Disease Part 1 Test. Use flashcards and multiple choice questions, each with hints and explanations, to prepare for your exam! Get ready for your success!

Multiple Choice

S-shaped ptosis is more associated with an acute or chronic dacryoadenitis?

Explanation:
S-shaped ptosis arises when the lacrimal gland inflames acutely, causing rapid edema that distorts the upper eyelid margin. The sudden swelling tends to push the medial portion of the lid differently from the lateral portion, producing the characteristic two-segment, curved contour that looks like an “S.” Over time, with chronic dacryoadenitis, edema becomes more fibrotic and less dynamic, so the lid contour loses that distinctive S shape and becomes a more uniform or fixed ptosis. So the presence of an S-shaped lid margin points to acute dacryoadenitis.

S-shaped ptosis arises when the lacrimal gland inflames acutely, causing rapid edema that distorts the upper eyelid margin. The sudden swelling tends to push the medial portion of the lid differently from the lateral portion, producing the characteristic two-segment, curved contour that looks like an “S.” Over time, with chronic dacryoadenitis, edema becomes more fibrotic and less dynamic, so the lid contour loses that distinctive S shape and becomes a more uniform or fixed ptosis. So the presence of an S-shaped lid margin points to acute dacryoadenitis.

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