CD30⁺ pseudolymphoma arising on the lower lip

Two cases of pseudolymphoma on the lips

“…Pseudolymphoma can develop in mucous membranes, including those in the oral cavity; however, the lips are a rare site for the disease. To our knowledge, only five cases with lip manifestations with detailed clinical and histopathological findings have been described in the English‐language literature . Notably, all seven cases (the previous five cases plus the two patients from the present report) involved lesions on the lower lip, whereas only two of the cases involved both lips, with one of those being our patient 2.…”

“…Thus, the lower lip is the more common site for pseudolymphoma on the lips. In addition, the clinical manifestations varied from case to case, including nodules, papules and ulceration . Also, reddish papules on the lower lip in the oral cavity have been reported .…”

Squamous Cell Carcinoma at the Site of Cutaneous Lymphoid Hyperplasia

“…Clonal rearrangement for blood of T-cell receptor (TCR)-Cβ1, TCR-Jγ chain and immunoglobulin heavy chain genes using Southern blot analysis was not detected. We diagnosed her with cutaneous lymphoid hyperplasia (CLH) and decided watchful waiting 1 . After 2 months, the erosions spontaneously epithelialized ( Fig.…”