Ocular immunology and inflammation · 2024
Recurrent Choroidal Neovascular Membrane as the Initial Presentation of Mycobacterium chimaera-Associated Serpiginoid Choroiditis.
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Babu Kalpana, Padmapriya P G, Gowda Sunitha M N, Murthy Praveen R
Аннотация
PURPOSE: To report a rare presentation of a proven case of Mycobacterium chimaera infection presenting as multifocal choroiditis with recurrent choroidal neovascular membrane (CNVM) in one eye, initially misdiagnosed as punctate inner choroidopathy and later developed serpiginous-like choroiditis in the other eye.
METHODS: Retrospective case report with a review of existing literature.
RESULTS: A 30-year-old women presented with metamorphopsia (OD) and best-corrected visual acuity (BCVA) of 6/24 (OD) and was diagnosed to have punctate inner choroidopathy with CNVM (OD). Since then, she had received four intravitreal anti-vascular endothelial growth factor injections over 3 years. Two years later, she developed a slowly progressing choroidal lesion radiating from the disc in a serpiginoid manner in the left eye. There was no vitritis. Labs revealed a positive QuantiFERON-TB Gold test. High-resolution computed tomography of the thorax showed sub-centimetre noncalcified lymph nodes in subcarinal and perivascular regions, minimal pleural thickening in left lower zone, minimal pericardial effusion, bronchiectatic changes, and fibrotic strands in right middle and left lower lobes. Bronchoalveolar lavage grew M. chimaera intracellularae (matrix-assisted laser desorption/ionization time-of-flight mass spectrometry). She was given a course of clarithromycin, moxifloxacin, rifampicin, and doxycycline for 12 months. Though the right eye remained stable, choroidal lesion in the left eye continued to progress threatening the fovea, requiring oral steroids, methotrexate, and an intravitreal dexamethasone implant. At the last follow-up, her BCVA was 6/18 (OD) and 6/6 (OS). Both eyes were stable.
CONCLUSION: This case highlights a rare presentation of proven M. chimaera infection presenting as multifocal choroiditis with recurrent CNVM in one eye and serpiginous-like choroiditis in the other eye, requiring aggressive treatment to salvage the vision.
METHODS: Retrospective case report with a review of existing literature.
RESULTS: A 30-year-old women presented with metamorphopsia (OD) and best-corrected visual acuity (BCVA) of 6/24 (OD) and was diagnosed to have punctate inner choroidopathy with CNVM (OD). Since then, she had received four intravitreal anti-vascular endothelial growth factor injections over 3 years. Two years later, she developed a slowly progressing choroidal lesion radiating from the disc in a serpiginoid manner in the left eye. There was no vitritis. Labs revealed a positive QuantiFERON-TB Gold test. High-resolution computed tomography of the thorax showed sub-centimetre noncalcified lymph nodes in subcarinal and perivascular regions, minimal pleural thickening in left lower zone, minimal pericardial effusion, bronchiectatic changes, and fibrotic strands in right middle and left lower lobes. Bronchoalveolar lavage grew M. chimaera intracellularae (matrix-assisted laser desorption/ionization time-of-flight mass spectrometry). She was given a course of clarithromycin, moxifloxacin, rifampicin, and doxycycline for 12 months. Though the right eye remained stable, choroidal lesion in the left eye continued to progress threatening the fovea, requiring oral steroids, methotrexate, and an intravitreal dexamethasone implant. At the last follow-up, her BCVA was 6/18 (OD) and 6/6 (OS). Both eyes were stable.
CONCLUSION: This case highlights a rare presentation of proven M. chimaera infection presenting as multifocal choroiditis with recurrent CNVM in one eye and serpiginous-like choroiditis in the other eye, requiring aggressive treatment to salvage the vision.