Abstract
A 5-year-old girl presented with a sudden left proptosis just after being hit by her sister's hand. The Hertel measurements were 8 mm OD and 12 mm OS. Computed tomography scans disclosed an extensive multi-cystic mass in the left orbit with niveau formation. Based on these findings, the tumor was diagnosed as lymphangioma. Since the patient could close her eyes completely without corneal involvement and visual acuity loss, we did not perform a biopsy or surgery. Four months later, her left proptosis improved (Hertel: 10.5 mm). Five months after this examination, her left proptosis further improved (Hertel: 8 mm, OU). The proptosis showed a symmetrical appearance. Computed tomography scans showed considerable shrinkage of the tumor. This is the first case report of an orbital lymphangioma with detailed description of considerable spontaneous shrinkage without stimulation from a biopsy and surgery.
Highlights
Orbital lymphangiomas are diffusely infiltrating, benign vascular tumors that appear most commonly in the first 2 decades of life [1]
Multiple subtotal excisions have long been recommended for management of lymphangioma [1], conservative management, including simple observation [1,3] and/or systemic corticosteroid therapy [4], has recently become popular with satisfactory outcomes
We report a case of orbital lymphangioma showing considerable spontaneous shrinkage without stimulation from a biopsy and surgery was not performed
Summary
Orbital lymphangiomas are diffusely infiltrating, benign vascular tumors that appear most commonly in the first 2 decades of life [1]. As almost all the conservative therapies are performed after biopsy, it is possible that tumor size is reduced by stimulation from the biopsy. A biopsy is not always required for diagnosing lymphangiomas because of an improvement in orbital imaging technology [5]. Three cases of orbital lymphangiomas have been previously reported showing considerable spontaneous tumor shrinkage without biopsy and surgery. A detailed clinical course of orbital lymphangioma has not been reported yet [1,5]. We report a case of orbital lymphangioma showing considerable spontaneous shrinkage without stimulation from a biopsy and surgery was not performed
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