Cutaneous mucosa-associated lymphoid tissue lymphoma complicating Sjögren's syndrome: A case report and review of literature

Figure 1 Appearance of nodules. A: Clinical photograph showing two subcutaneous nodules on the right lower leg (white arrow); B: Positron emission tomography computed tomography scan showing increased fluorodeoxyglucose uptake in an anterolateral tibialis anterior nodule (white arrow).

Figure 2 Hematoxylin and eosin staining. A: Histopathological assessment of salivary gland revealed lymphocytic infiltration and chronic inflammation; B: Infiltration of small-sized lymphocytes occupied the marginal zone.

Figure 3 Immunohistochemical staining. A-C: Small-sized B lymphocytes with a pale cytoplasm positive for Bcl2 (A), CD20 (B) and PAX5 (C); D and E: Plasma cells were highlighted by CD138 (D) and immunoreactive for an anti-Ak antibody (E).