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Orbital Mass as the Only Presenting Sign with Overlapping Features of Lupus Erythematosus Panniculitis and Subcutaneous Panniculitis-Like T-Cell Lymphoma.

PURPOSE
Even though subcutaneous panniculitis-like T-cell lymphoma (SPTCL) and lupus erythematosus panniculitis (LEP) are two separate entities, recently they were claimed to represent two ends of a spectrum of T-cell-mediated orbital lymphoproliferative diseases.


METHODS
A 78-year-old woman presented with a 1-month history of right-sided periorbital swelling and redness. There was a palpable mass in the medial right lower eyelid with restriction of upward and lateral gaze. MRI revealed a 14 × 7 mm hypointense lesion in the anteromedial orbit.


RESULTS
The systemic and ocular findings, orbital biopsy with histopathology and immunochemistry showed overlapping features of LEP and SPTCL. The patient was consulted with rheumatology and hematology, and the physicians arrived at a consensus that the patient existed in the above-mentioned disease spectrum. She was started on systemic immunosuppressive treatment and her clinical findings improved substantially.


CONCLUSIONS
This is the first report of a patient, who presented with orbital mass causing vision loss and gaze restriction that had overlapping clinical and histopathologic features of LEP and SPTCL consistent with this novel disease spectrum, in the literature.