Optical Coherence Tomography Angiography Features of Paradoxical Worsening in Tubercular Multifocal Serpiginoid Choroiditis.
OBJECTIVE
To describe optical coherence tomography angiography (OCTA) features of lesions of tubercular multifocal serpiginoid choroiditis (TB MSC) that developed paradoxical worsening (PW).


METHODS
In this prospective study, subjects with TB MSC who developed PW upon initiation of anti-tubercular therapy were included. Multimodal imaging was performed using OCTA, enhanced-depth imaging OCT, fluorescein angiography (FA), and indocyanine green angiography (ICGA). Morphologic changes in the retinochoroidal vasculature during progression of TB MSC were assessed on OCTA.


RESULTS
Five subjects (4 males, 1 female) were included in the study. PW of the lesions was associated with increased areas of choriocapillaris flow void on en face OCTA in all eyes. The lesions showed partial healing in the center and continuous progression at the active edges. Two eyes showed development of vascular tufts on OCTA as the lesions progressed.


CONCLUSIONS
OCTA provides high-resolution imaging of progressive choriocapillaris hypoperfusion among TB MSC patients developing PW of the disease.
a Stanley M. Truhlsen Eye Institute , University of Nebraska Medical Center , Omaha , Nebraska.|b Advanced Eye Center, Post Graduate Institute of Medical Education and Research , Chandigarh , India.
Aniruddha
A
Agarwal
b Advanced Eye Center, Post Graduate Institute of Medical Education and Research , Chandigarh , India.
Kanika
K
Aggarwal
b Advanced Eye Center, Post Graduate Institute of Medical Education and Research , Chandigarh , India.
Ankit
A
Deokar
b Advanced Eye Center, Post Graduate Institute of Medical Education and Research , Chandigarh , India.
Spoorti Krishna Reddy
SK
Mandadi
b Advanced Eye Center, Post Graduate Institute of Medical Education and Research , Chandigarh , India.
Simar Rajan
SR
Singh
b Advanced Eye Center, Post Graduate Institute of Medical Education and Research , Chandigarh , India.
Ramandeep
R
Singh
c Department of Internal Medicine , Post Graduate Institute of Medical Education and Research (PGIMER) , Chandigarh , India.
Aman
A
Sharma
b Advanced Eye Center, Post Graduate Institute of Medical Education and Research , Chandigarh , India.
Reema
R
Bansal
b Advanced Eye Center, Post Graduate Institute of Medical Education and Research , Chandigarh , India.
Vishali
V
Gupta
D002829:Choroid / Q000098:blood supply / Q000473:pathology*; D002833:Choroiditis / Q000000981:diagnostic imaging*; D005260:Female; D005451:Fluorescein Angiography; D006801:Humans; D008297:Male; D011446:Prospective Studies; D041623:Tomography, Optical Coherence
Indocyanine green angiography; Jarisch-Herxheimer reaction; intraocular tuberculosis; multifocal serpiginoid choroiditis; optical coherence tomography angiography; paradoxical worsening