Coexistence of cutaneous phosphaturic mesenchymal tumour and postoperative hypoparathyroidism

Phosphaturic mesenchymal tumour (PMT) is a rare neoplasm that causes tumour-induced osteomalacia as a consequence of the overproduction of a phosphaturic hormone, fibroblast growth factor 23 (FGF23) [1,2]. We present a rare case of a large cutaneous PMT coincident with postoperative hypoparathyroidism.A 47-year-old Japanese woman presented with a one-week history of malaise, anorexia, and perioral numbness, as well as a four-year history of a slow-growing cutaneous tumour on the dorsum of the left [...]