Internal medicine (Tokyo, Japan)

Intern Med · ISSN (e) 1349-7235 · 35 papers in corpus
2026
doi:10.2169/internalmedicine.5638-25 ·PMID:40500167

Objective This study investigated the significance of diagnosing an endoscopic atrophic pattern of the fornix in autoimmune gastritis (AIG). Materials Of 10,608 individuals (men/women: 6,551/4,057) who underwent an esophagogastroduodenal en…

2025
doi:10.2169/internalmedicine.4411-24 ·PMID:39631865

Gallbladder abscess is extremely rare. Aseptic abscesses are sometimes observed in patients with active ulcerative colitis (UC) with no history of colectomy; however, it is rare for an aseptic abscess in the gallbladder to develop after sur…

other 2025
doi:10.2169/internalmedicine.4848-24 ·PMID:40058866
2024
doi:10.2169/internalmedicine.2597-23 ·PMID:37926542

An 80-year-old man with jaundice and fatigue was referred to our hospital. A laboratory examination revealed increased levels of hepatobiliary enzymes, and CA19-9 levels increased to 29,512 U/mL. Based on the findings of imaging examination…

2024
doi:10.2169/internalmedicine.2013-23 ·PMID:37344427
2024
doi:10.2169/internalmedicine.2927-23 ·PMID:38220195

Anterior, lateral, and posterior cutaneous nerve entrapment syndromes have been proposed as etiologies of trunk pain. However, while these syndromes are analogous, comprehensive reports contrasting the three subtypes are lacking. We therefo…

2023
doi:10.2169/internalmedicine.0435-22 ·PMID:36130890

A transoral endoscopic ultrasound-guided fine-needle aspiration biopsy (EUS-FNAB) is a well-established tissue-sampling method. However, performing a transanal EUS-FNAB remains challenging. Uterine morcellation has emerged as a minimally in…

2023
doi:10.2169/internalmedicine.9613-22 ·PMID:35945022

In drug-induced lupus (DIL), symptoms similar to those of systemic lupus erythematosus (SLE) usually resolve after discontinuation of the offending drug. A 41-year-old-woman with a history of ulcerative colitis presented with polyarthritis …

2021
doi:10.2169/internalmedicine.6918-20 ·PMID:33776011
other 2021
doi:10.2169/internalmedicine.7389-21 ·PMID:34024859

Objective Recent studies have found higher rates of autoimmune diseases, such as celiac disease, Crohn's disease, and ulcerative colitis, in patients with eosinophilic esophagitis (EoE) than in the general population. This study investigate…

article 2021
doi:10.2169/internalmedicine.7320-21 ·PMID:34483206

Hypercoagulability associated with malignant tumors causes thrombosis, termed Trousseau's syndrome, but is rarely associated with benign gynecological tumors, such as myoma and adenomyosis. We herein report a 47-year-old Japanese woman with…

article 2020
doi:10.2169/internalmedicine.5430-20 ·PMID:33116009

We herein report the definitive diagnosis of rectovaginal endometriosis in two cases. Case 1 involved a 46-year-old woman with abdominal pain and hematochezia. The diagnosis after the first and second examinations using lower gastrointestin…

article 2020
doi:10.2169/internalmedicine.5960-20 ·PMID:33361675

Acute appendicitis is an important differential diagnosis in patients with right lower quadrant pain during pregnancy. Endometriosis, a hormone-related pathology, is another possibility. Patients with endometriosis are typically symptomatic…

2020
doi:10.2169/internalmedicine.4839-20 ·PMID:32759585

This case concerned a 39-year-old woman diagnosed with uterine fibroids. Upon initiation of gonadotropin-releasing hormone (GnRH) agonist therapy, she experienced various neurological deficits but did not seek medical attention because of g…

article 2020
doi:10.2169/internalmedicine.6418-20 ·PMID:33390498

We herein report two patients with endometriosis in the cecum. Both patients presented with a protruding, subepithelial tumor on colonoscopy and were diagnosed with cecal endometriosis after surgical resection. It is notable that the cecal …

2019
doi:10.2169/internalmedicine.1220-18 ·PMID:30568119

We herein report two cases of miliary lung metastases from genital carcinoma in uterine cervix and endometrium. Notably, these patients were unable to receive any anti-tumor chemotherapy due to rapid progression causing respiratory failure,…

2019
doi:10.2169/internalmedicine.2292-18 ·PMID:30918182

Objective Based on both endoscopic findings and serum auto-antibody levels, we determined the prevalence of autoimmune gastritis (AIG), which has not been previously reported, in individuals who underwent health checkup examinations in Japa…

2019
doi:10.2169/internalmedicine.1559-18 ·PMID:30146609

A diagnosis of hereditary angioedema is usually made with recurrent episodes of swelling of the subcutaneous tissue with a family history. We herein report a case in which recurrent acute abdomen was the main manifestation of hereditary ang…

2018
doi:10.2169/internalmedicine.0552-17 ·PMID:29877272

Although hyperparathyroidism has been reported to cause acute pancreatitis, little is known about the mechanism involved. This study describes the case of an 86-year-old woman with acute pancreatitis and consciousness disturbance caused by …

review 2018
doi:10.2169/internalmedicine.1702-18 ·PMID:30568111

Pancreatic cysts include a variety of benign, premalignant, and malignant lesions. Endometrial cysts in the pancreas are extremely rare lesions that are difficult to diagnose before surgery. We report the case of a 26-year-old patient with …

2018
doi:10.2169/internalmedicine.0639-17 ·PMID:29877268

Gonadotropin-releasing hormone (GnRH) agonists have been used for the treatment of various diseases. Although autoimmune thyroid disease has been reported as a rare complication of these agents, the symptoms are almost always transient and …

2018
doi:10.2169/internalmedicine.0591-17 ·PMID:30101904

Primary retroperitoneal serous adenocarcinoma (PRSA) is a rare malignancy of which only seven cases have been reported in the literature. The clinical features and outcomes of PRSA are not well understood. We herein report a case of PRSA wi…

2017
doi:10.2169/internalmedicine.56.7769 ·PMID:28420844

This report describes two patients with sporadic lymphangioleiomyomatosis complicated by protein-losing enteropathy (PLE). Imaging studies indicated retroperitoneal lymphangioleiomyomas and abnormalities of the adjacent digestive tract. End…

article 2017
doi:10.2169/internalmedicine.56.8265 ·PMID:28566606

Pulmonary endometriosis (PEM) is a rare disease characterized by the proliferation of ectopic endometrial tissue in the lungs, which presents as catamenial hemoptysis. A 20-year-old-woman was admitted for repeated hemoptysis. Chest CT revea…

case-report 2017
doi:10.2169/internalmedicine.56.7785 ·PMID:28202862

A 40-year-old woman experiencing sudden dyspnea went to her personal doctor for advice. She was previously diagnosed with endometriosis and prescribed oral contraceptives for treatment. During earthquakes, she spent 7 nights sleeping in a v…