Balestrazzi E, di Tondo U, delle Noci N, Blasi M A
Dipartimento di Discipline Chirurgiche, Università de L'Aquila degli Abruzzi, Italia.
Ophthalmologica. 1989;198(2):104-9. doi: 10.1159/000309966.
A rare case of metastatic carcinoid tumour of the choroid is presented. Techniques used to identify the nature of the neoplasm (immunohistochemical or histochemical stains) and the numerous substances possibly secreted by the neoplastic cells (PAP immunocytochemical technique) are discussed.