Orbital lymphatic malformation. A, Clinical appearance. A young boy with an inferior orbital lesion extending anteriorly and nasally below the left lower eyelid. B, CT scan (axial view) showing a multilobulated mass (white circles) within the left orbit. C, Photomicrograph (H&E stain) shows numerous vascular channels with lymphoid follicles (arrows). D, Higher magnification (H&E stain) demonstrates endothelial-lined vascular channels (asterisks), a lymphoid follicle (arrow), and scattered lymphocytes and plasma cells within the fibrous walls.