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Lumbar puncture study revealed 34 nucleated cells/µL (94% lymphocytes), protein 58 mg/dL, and glucose 62 mg/dL. Cerebrospinal fluid Venereal Disease Research Laboratory and fluorescent treponemal antibody absorption tests were reactive, confirming a diagnosis of ocular syphilis.
The patient was admitted to the hospital for treatment with intravenous penicillin G. After 5 days, he was discharged with instructions to complete a 10-day course of intravenous ceftriaxone (chosen for its ease of administration), for a total of 14 days of antibiotic therapy. His vision improved with treatment.
He continued to follow up with ophthalmology and infectious disease. Subsequent dilated fundus examinations showed resolution of pathology in the left eye, resolution of Roth spots in the right eye, and resolution of the subhyaloid hemorrhage. Repeat cerebrospinal fluid study examination was planned if the serum rapid plasma reagin had not become nonreactive 24 months after treatment.
RECOGNIZING AND MANAGING OCULAR SYPHILIS AND NEUROSYPHILIS
In addition to ocular syphilis and neurosyphilis, the differential diagnosis for Roth spots and disc edema on dilated funduscopy includes endocarditis, viral retinitis, and autoimmune or inflammatory conditions such as sarcoidosis and vasculitis.
In our patient, infectious endocarditis was considered, given his history of intermittent fevers and rigors, but it was ultimately ruled out by negative blood cultures and the absence of valvular vegetations on echocardiography.
The large subhyaloid hemorrhage raised suspicion of leukemia, but this was ruled out by the normal total white blood cell count and differential. HIV, herpetic retinitis, and toxoplasmosis were also considered, but laboratory tests for these infections were negative.
Typically, retinal precipitates are more characteristic of syphilitic retinitis and distinguish it from other infectious causes such as herpetic retinitis and toxoplasmosis.1 Additionally, ocular syphilis more commonly manifests as uveitis or panuveitis.1,2 Our patient’s ocular syphilis presented with white-centered retinal hemorrhages, subhyaloid hemorrhage, and optic disc edema.
Who is at highest risk?
About 90% of syphilis cases occur in men, and 81% occur in men who have sex with men. The US Centers for Disease Control and Prevention (CDC) thus recommends annual syphilis testing for men who have sex with men.3
Classically, syphilis was called “the great imitator” because it mimicked manifestations of other diseases. Patients with ocular manifestations of syphilis may not have other neurologic symptoms.4,5 Nevertheless, cerebrospinal fluid examination should be done in all instances of ocular syphilis, as many patients with ocular syphilis have evidence of neurosyphilis on testing.2 The CDC also recommends follow-up cerebrospinal fluid analysis to assess treatment response.2 This was planned in our patient.
- Fu EX, Geraets RL, Dodds EM, et al. Superficial retinal precipitates in patients with syphilitic retinitis. Retina 2010; 30(7):1135–1143. doi:10.1097/IAE.0b013e3181cdf3ae
- US Centers for Disease Control and Prevention. Sexually Transmitted Diseases. Clinical Advisory: Ocular Syphilis in the United States, March 24, 2016. www.cdc.gov/std/syphilis/clinicaladvisoryos2015.htm. Accessed March 28, 2018.
- US Centers for Disease Control and Prevention. Sexually Transmitted Disease Surveillance, 2015. www.cdc.gov/std/stats15/std-surveillance-2015-print.pdf. Accessed March 28, 2018.
- Rishi E, Govindarajan MV, Biswas J, Agarwal M, Sudharshan S, Rishi P. Syphilitic uveitis as the presenting feature of HIV. Indian J Ophthalmol 2016; 64(2):149–150. doi:10.4103/0301-4738.179714
- Zhang R, Qian J, Guo J, et al. Clinical manifestations and treatment outcomes of syphilitic uveitis in a Chinese population. J Ophthalmol 2016; 2016:2797028. doi:10.1155/2016/2797028
Lumbar puncture study revealed 34 nucleated cells/µL (94% lymphocytes), protein 58 mg/dL, and glucose 62 mg/dL. Cerebrospinal fluid Venereal Disease Research Laboratory and fluorescent treponemal antibody absorption tests were reactive, confirming a diagnosis of ocular syphilis.
The patient was admitted to the hospital for treatment with intravenous penicillin G. After 5 days, he was discharged with instructions to complete a 10-day course of intravenous ceftriaxone (chosen for its ease of administration), for a total of 14 days of antibiotic therapy. His vision improved with treatment.
He continued to follow up with ophthalmology and infectious disease. Subsequent dilated fundus examinations showed resolution of pathology in the left eye, resolution of Roth spots in the right eye, and resolution of the subhyaloid hemorrhage. Repeat cerebrospinal fluid study examination was planned if the serum rapid plasma reagin had not become nonreactive 24 months after treatment.
RECOGNIZING AND MANAGING OCULAR SYPHILIS AND NEUROSYPHILIS
In addition to ocular syphilis and neurosyphilis, the differential diagnosis for Roth spots and disc edema on dilated funduscopy includes endocarditis, viral retinitis, and autoimmune or inflammatory conditions such as sarcoidosis and vasculitis.
In our patient, infectious endocarditis was considered, given his history of intermittent fevers and rigors, but it was ultimately ruled out by negative blood cultures and the absence of valvular vegetations on echocardiography.
The large subhyaloid hemorrhage raised suspicion of leukemia, but this was ruled out by the normal total white blood cell count and differential. HIV, herpetic retinitis, and toxoplasmosis were also considered, but laboratory tests for these infections were negative.
Typically, retinal precipitates are more characteristic of syphilitic retinitis and distinguish it from other infectious causes such as herpetic retinitis and toxoplasmosis.1 Additionally, ocular syphilis more commonly manifests as uveitis or panuveitis.1,2 Our patient’s ocular syphilis presented with white-centered retinal hemorrhages, subhyaloid hemorrhage, and optic disc edema.
Who is at highest risk?
About 90% of syphilis cases occur in men, and 81% occur in men who have sex with men. The US Centers for Disease Control and Prevention (CDC) thus recommends annual syphilis testing for men who have sex with men.3
Classically, syphilis was called “the great imitator” because it mimicked manifestations of other diseases. Patients with ocular manifestations of syphilis may not have other neurologic symptoms.4,5 Nevertheless, cerebrospinal fluid examination should be done in all instances of ocular syphilis, as many patients with ocular syphilis have evidence of neurosyphilis on testing.2 The CDC also recommends follow-up cerebrospinal fluid analysis to assess treatment response.2 This was planned in our patient.
Lumbar puncture study revealed 34 nucleated cells/µL (94% lymphocytes), protein 58 mg/dL, and glucose 62 mg/dL. Cerebrospinal fluid Venereal Disease Research Laboratory and fluorescent treponemal antibody absorption tests were reactive, confirming a diagnosis of ocular syphilis.
The patient was admitted to the hospital for treatment with intravenous penicillin G. After 5 days, he was discharged with instructions to complete a 10-day course of intravenous ceftriaxone (chosen for its ease of administration), for a total of 14 days of antibiotic therapy. His vision improved with treatment.
He continued to follow up with ophthalmology and infectious disease. Subsequent dilated fundus examinations showed resolution of pathology in the left eye, resolution of Roth spots in the right eye, and resolution of the subhyaloid hemorrhage. Repeat cerebrospinal fluid study examination was planned if the serum rapid plasma reagin had not become nonreactive 24 months after treatment.
RECOGNIZING AND MANAGING OCULAR SYPHILIS AND NEUROSYPHILIS
In addition to ocular syphilis and neurosyphilis, the differential diagnosis for Roth spots and disc edema on dilated funduscopy includes endocarditis, viral retinitis, and autoimmune or inflammatory conditions such as sarcoidosis and vasculitis.
In our patient, infectious endocarditis was considered, given his history of intermittent fevers and rigors, but it was ultimately ruled out by negative blood cultures and the absence of valvular vegetations on echocardiography.
The large subhyaloid hemorrhage raised suspicion of leukemia, but this was ruled out by the normal total white blood cell count and differential. HIV, herpetic retinitis, and toxoplasmosis were also considered, but laboratory tests for these infections were negative.
Typically, retinal precipitates are more characteristic of syphilitic retinitis and distinguish it from other infectious causes such as herpetic retinitis and toxoplasmosis.1 Additionally, ocular syphilis more commonly manifests as uveitis or panuveitis.1,2 Our patient’s ocular syphilis presented with white-centered retinal hemorrhages, subhyaloid hemorrhage, and optic disc edema.
Who is at highest risk?
About 90% of syphilis cases occur in men, and 81% occur in men who have sex with men. The US Centers for Disease Control and Prevention (CDC) thus recommends annual syphilis testing for men who have sex with men.3
Classically, syphilis was called “the great imitator” because it mimicked manifestations of other diseases. Patients with ocular manifestations of syphilis may not have other neurologic symptoms.4,5 Nevertheless, cerebrospinal fluid examination should be done in all instances of ocular syphilis, as many patients with ocular syphilis have evidence of neurosyphilis on testing.2 The CDC also recommends follow-up cerebrospinal fluid analysis to assess treatment response.2 This was planned in our patient.
- Fu EX, Geraets RL, Dodds EM, et al. Superficial retinal precipitates in patients with syphilitic retinitis. Retina 2010; 30(7):1135–1143. doi:10.1097/IAE.0b013e3181cdf3ae
- US Centers for Disease Control and Prevention. Sexually Transmitted Diseases. Clinical Advisory: Ocular Syphilis in the United States, March 24, 2016. www.cdc.gov/std/syphilis/clinicaladvisoryos2015.htm. Accessed March 28, 2018.
- US Centers for Disease Control and Prevention. Sexually Transmitted Disease Surveillance, 2015. www.cdc.gov/std/stats15/std-surveillance-2015-print.pdf. Accessed March 28, 2018.
- Rishi E, Govindarajan MV, Biswas J, Agarwal M, Sudharshan S, Rishi P. Syphilitic uveitis as the presenting feature of HIV. Indian J Ophthalmol 2016; 64(2):149–150. doi:10.4103/0301-4738.179714
- Zhang R, Qian J, Guo J, et al. Clinical manifestations and treatment outcomes of syphilitic uveitis in a Chinese population. J Ophthalmol 2016; 2016:2797028. doi:10.1155/2016/2797028
- Fu EX, Geraets RL, Dodds EM, et al. Superficial retinal precipitates in patients with syphilitic retinitis. Retina 2010; 30(7):1135–1143. doi:10.1097/IAE.0b013e3181cdf3ae
- US Centers for Disease Control and Prevention. Sexually Transmitted Diseases. Clinical Advisory: Ocular Syphilis in the United States, March 24, 2016. www.cdc.gov/std/syphilis/clinicaladvisoryos2015.htm. Accessed March 28, 2018.
- US Centers for Disease Control and Prevention. Sexually Transmitted Disease Surveillance, 2015. www.cdc.gov/std/stats15/std-surveillance-2015-print.pdf. Accessed March 28, 2018.
- Rishi E, Govindarajan MV, Biswas J, Agarwal M, Sudharshan S, Rishi P. Syphilitic uveitis as the presenting feature of HIV. Indian J Ophthalmol 2016; 64(2):149–150. doi:10.4103/0301-4738.179714
- Zhang R, Qian J, Guo J, et al. Clinical manifestations and treatment outcomes of syphilitic uveitis in a Chinese population. J Ophthalmol 2016; 2016:2797028. doi:10.1155/2016/2797028
