Tumour staged surgery of endolymphatic sac tumours (ELST)

Joerg Schipper, Wolfgang Maier, Steffen Rosahl & Marcos Tatagiba
Introduction Endolymphatic sac tumours (ELST) were first described in 1984 [ref:1]. Their histological classification was difficult because their characteristic papillary structures pointed to a papillary adenoma of the middle ear mucosa [ref:2], whereas the aggressive growth [for full text, please go to the a.m. URL]