Primary pulmonary mucosa-associated lymphoid tissue lymphoma with nodular pulmonary amyloidosis

Key Points

• To report a case of primary pulmonary MALT lymphoma associated with nodular pulmonary amyloidosis.
• Robotic-assisted left lower lobectomy and lymph node dissection (ND2a-1) were performed.
• Histopathological and immunohistochemical analyses were conducted on the excised tissue.
• Histopathological examination revealed eosinophilic deposits with foreign body giant cell infiltration.
• Immunostaining showed positivity for CD20 and partial positivity for CD43 in infiltrating lymphocytes.
• Diagnosis confirmed as pulmonary MALT lymphoma with concurrent nodular pulmonary amyloidosis.