Table 1. Diagnosis of this case according to the criteria of Gorham-Stout disease developed by Heffez et al. in 1983 (13).

Criteria	Clinical case fulfillment
(I) Positive biopsy (angiomatous tissue with abnormal lymphatic channels and numerous osteoclasts)	Abnormal lymphatic channels
(II) Absence of cellular atypia	√
(III) Minimal or no osteoblastic response and absence of dystrophic calcifications	√
(IV) Evidence of progressive local bone resorption	√
(V) A lesion that is not ulcerative and does not provoke cortical expansion	√
(VI) Absence of visceral involvement	√
(VII) Osteolytic radiographic pattern	√
(VIII) Negative hereditary, metabolic, neoplastic, immunological, and infectious etiology	√