Spontaneous Resolution of an Orbital Mass After Delivery: A Diagnostic Challenge.

The authors report a 35-year-old woman who presented 1 month after delivery with the complaint of pain behind her left eye which started during her pregnancy. The patient described increased fullness with dependent head position and pain on left gaze but she had no proptosis and her ocular examination was normal. Magnetic resonance imaging (MRI) revealed an intraconal mass with inhomogeneous contrast enhancement. As the authors did not suspect malignity and her ocular examination was normal without any signs of inflammation, the authors followed the patient closely. Repeat MRI obtained 6 months after delivery revealed complete resolution of the mass. Upon disappearance of the lesion, the authors reviewed the case thoroughly and decided that orbital venous anomaly with intralesional hemorrhage/thrombosis was the most probable diagnosis. As hemorrhage or thrombosis occurring in orbital vascular anomalies may be a diagnostic challenge because of the localized lesion and distinct borders, careful interpretation of clinical characteristics and MRI findings and close follow-up is important in interpretation of orbital mass lesions, especially in pregnant or puerperal women.