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Ligneous Conjunctivitis and PLGD-1: Investigating a Rare Disease
Posted: 10/15/2025 | By: Custom Content Team

Ligneous conjunctivitis is a hallmark manifestation of plasminogen deficiency type (PLGD-1), a rare disease that can be confirmed by laboratory testing for plasminogen activity level. Take this quiz to test your knowledge of the steps involved in the diagnosis of PLGD-1.

Question 1 of 5

Plasminogen deficiency type 1 (PLGD-1) is a rare disorder resulting in decreased levels of plasminogen. Patients with PLGD-1 may develop ligneous (wood-like) lesions in:

Choose 1

A
The eyes only
B
The eyes and mouth only
C
The eyes, ears, and mouth only
D
In mucous membranes throughout the body

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