Prefibrotic myelofibrosis (pre-PMF) is a distinct entity among chronic myeloproliferative neoplasm diagnosed according to the revised WHO classification. The clinical picture is heterogeneous, ranging from isolated thrombocytosis, mimicking essential thrombocythemia (ET), to symptoms of high-risk PMF.
Stage
Stage Classification of Gastric Ulcer by Sakita-Miwa
The gastric ulcer are staged, by using of the endoscopic staging system of Sakita, into 3 stages (active, healing, scarring) as follows.