PMC7399047_01
(A-D) Axial T2-weighted fat suppressed MR images before treatment (A,C) showed mixed macro- and microcystic extensive cervico-facial lymphatic malformation with diffuse involvement of the sublingual space and both cheeks by large macrocysts (*) (A) and extensive infiltration of the left parotid space by a large microcystic component, as demonstrated by the diffuse T2 hyperintensity of the whole left parotic space (arrows) (C). Seven months after initiation of the Sirolimus and after 3 percutaneous procedures of sclerotherapy, follow-up axial T2 weighted images at the same anatomical levels (B,D) demonstrated a major decrease of both macrocysts (B) and microcystic infiltration as demonstrated by the important decrease of T2 intensity of the parotid space (D).
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F2
At 7 mo a second MRI scan was performed (Figures 2B,D) and attested the decrease of the mass.
Photograph illustrating the clinical aspect of the cervical mass at 12 months of life.
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F3
Clinically the mass seemed to gradually reduce in size (Figure 3).