mammary inflammatory pseudotumor
inflammatory pseudotumor of the breast
Etiology
hyper-IgG4 syndrome (IgG4-related systemic disease) (15644785)
References
Zen Y, Kasahara Y, Horita K, Miyayama S, Miura S, Kitagawa S, Nakanuma Y. Inflammatory pseudotumor of the breast in a patient with a high serum IgG4 level: histologic similarity to sclerosing pancreatitis. Am J Surg Pathol. 2005 Feb;29(2):275-8. PMID: 15644785