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Posterior Scleritis
associated with
Orbital Pseudotumor
Nikolas London, MD
Retina Consultants San Diego
Ocular History
34-year-old man with 2 months of headache, progressive
proptosis, pain, redness, and decreased vision in his right eye
HPI: Pred Forte and scopolamine for NGAU x 4 weeks
POHx: none
PMH:
Mitral valve prolapse
Mental illness: self-described “not right in head”
Jaw surgery 1994
ALL: mushrooms, mayonnaise, anabolic steroids
SH: NC
ROS: pan-negative
First Presentation
VA: bare CF OD, 20/25 OS
Pupil: + RAPD OS by reverse
IOP: 15 OU
Hertel: 5mm proptosis OD
SLE OD: 2+ conjunctival injection, 1+ AC and
anterior vitreous cell
First Presentation
Funduscopy
large amelanonic mass superior to the
optic nerve head causing
retinal folds and
obscuration of the optic nerve head.
First Presentation
Fluoresceineangiography
Early widefield angiogram of the right eye
retinal distortion and folds.
later frames: progressive stippled
hyperfluorescence of the mass
prominent leakage from the optic nerve head
First Presentation
Fluoresceineangiography
Late frame widefield angiogram of the right
eye
leakage from the mass and optic nerve head
inferior peripheral nonperfusion and
adjacent vascular leakage.
First Presentation
US
vertical axial B-scan ultrasound
thickening of the posterior wall complex
with sub-Tenon’s fluid (T-sign)
shallow inferior retinal detachment
First Presentation
periorbital edema
erythema
mild exotropia and
proptosis.
First Presentation
Imaging
of the right orbit
2.7 x 1.8 x 3.3 cm soft tissue mass
involving the sclera with deformation
of the posterior globe.
Pseudotumor orbitae (?)
Diagnosis
Posterior scleritis
Associated to pseudotumor orbitae
workup for infectious and inflammatory etiologies
sent to Oculoplastics for evaluation to consider
biopsy and rule out lymphoma.
biopsy was refused because quite risky
Laboratory Data
Quantiferon gold
FTA-ABS
RPR
ACE
C-ANCA
P-ANCA
X-ANCA
ANA
CXR
ESR
CRP
Chem-7
CBCD
Hgb/Hct
negative
NR
NR
21
negative
negative
negative
negative
wnl
25
1.10
wnl
mild anemia
12/36
Treatment and Follow-Up
after infectious etiologies were ruled out he was
started on prednisone (60mg/day, 2 weeks)
then reduction by 20 mg/week for 3 weeks,
staying on 10 mg/day for several weeks
rapid improvement of his symptoms and
examination in between 1 week
dramatic reduction in periorbital edema,
erythema, propsosis, head tilt, and exotropia
Follow-Up
1 week after begin of treatment
dramatic reduction in size of the subretinal mass
residual RPE changes
mild horizontal retinal striae in the superior macula.
SD OCT: mild inner retinal distortion and subretinal
fluid.
Imaging: substantially smaller scleral mass with less
distortion of the posterior wall of the globe.
Final Diagnosis
Posterior scleritis
associated with idiopathic orbital
pseudotumor
rapid resolution with oral
corticosteroids
Conclusion
Posterior scleritis is a rare manifestation
of orbital pseudotumor
Other diagnoses, including tuberculosis,
lymphoma, systemic lupus
erythematosus, syphilis, and sarcoidosis
should be considered