In some cases of insulinoma, a 72 h fasting test can produce negative results. 1,2 In Placzkowski and colleagues' study, the 72 h fast test result was negative in three of eight patients who had ...

Insulinoma-Associated Protein 1 (INSM1 ... Additionally, INSM1 has shown promise in cytology samples of high-grade lung neuroendocrine carcinoma, where it was positive in 79.2% of cases with ...