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Updated: Sep 29, 2026

Induction of Ocular Surface Inflammation and Collection of Involved Tissues
Published on: August 4, 2022
Bacillary angiomatosis of the anterior orbit, eyelid, and conjunctiva
Patricia S Tsai1, Dan D DeAngelis, William H Spencer
1Department of Ophthalmology, University of California San Francisco, 94131-0344, USA.
Purpose:
To report a case of bacillary angiomatosis of the lower eyelid, conjunctiva, and anterior orbit.
Design:
Interventional case report.
Methods:
A 76-year-old immunocompromised male patient developed a firm vascularized nodule in his left lower eyelid and anterior orbit.
Results:
An excisional biopsy was performed. Histopathologic examination revealed an abnormal vascular proliferation and a mixed inflammatory infiltrate. A Warthin-Starry stain showed numerous bacilli. These findings are characteristic of bacillary angiomatosis. A serologic specimen was positive for antibodies to Bartonella Quintana.
Conclusion:
The lower lid and anterior orbit are rare locations for bacillary angiomatosis. Our case brings to attention the increasing importance of Bartonella infection as a causative agent of ophthalmic diseases.
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