Shigeo Hara

ORCID: 0000-0001-9293-2064 · 3 papers in corpus
case-report 2026
Cureus ·doi:10.7759/cureus.113477

INTRODUCTION: Early primary abdominal ectopic pregnancy (EAP) is a rare but potentially life-threatening condition. Preoperative diagnosis is often difficult, and optimal management remains undefined, particularly when the gestational mass …

case-report 2020
·doi:10.5180/jsgoe.36.2_246

The frequency of malignant transformation in endometriosis is rare; it is estimated to be less than 1%. Malignant transformation mainly occurs in the ovary and rarely in the extragonadal sites. Endometriosis-associated intestinal tumors (EA…

2020
·doi:10.1183/13993003.congress-2020.2735

Background: Catamenial pneumothorax (CP) is a relatively rare disease, which is a form of a recurring pneumothorax in women of reproductive age. The actual cause is still unclear. Objectives: To perform histopathologic evaluation of the eti…