Breast implant associated anaplastic large cell lymphoma. proposal for a monitoring protocol

BACKGROUND: The authors report four cases of breast implant-associated anaplastic large cell lymphoma (ALCL) from a single institution and propose a multidisciplinary protocol. METHODS: From 2012 to 2014, four breast implant-associated ALCL cases were diagnosed. The authors performed the original operation, and no patients were referred to their practice. Cases 1, 2, and 4 were CD4/CD30/ALK ALCL with previous textured-implant reconstruction, whereas case 3 was CD8/CD30/ALK ALCL with previous polyurethane-implant augmentation. A retrospective study of all patients who underwent breast implant positioning was performed to identify any misdiagnosed cases. RESULTS: Of 483 patients, 226 underwent reconstruction with latissimus dorsi flap and prosthesis, 115 had skin-sparing/nipple-sparing mastectomy and prosthesis, 117 underwent an expander/implant procedure, and 25 underwent breast augmentation. Fifty-eight cases (12 percent) underwent implant replacement for capsular contracture, 15 (3.1 percent) experienced late-onset seroma, and four (0.83 percent) had both capsular contracture and seroma. Seventy-seven symptomatic patients (16 percent) underwent surgical revision (capsulectomy/capsulotomy) and/or seroma evacuation. The second look on histologic specimens did not identify misdiagnosed cases. A multidisciplinary protocol for suspected implant-associated ALCL was established. Ultrasound and cytologic examinations are performed in case of periprosthetic effusion. If implant-associated ALCL is diagnosed, implant removal with capsulectomy is performed. If disseminated disease is detected through positron emission tomography/computed tomography of the total body, the patient is referred to the oncology department. CONCLUSIONS: A multidisciplinary protocol is mandatory for both early diagnosis and patient management. Until definitive data emerge regarding the exact etiopathogenesis of breast implant-associated ALCL, the authors suggest offering only autologous reconstruction if patients desire it