Glucocorticoid sparing effect on Adalimumab for refractory Pyoderma gangrenosum in patients with Rheumatoid Arthritis: A Case series.

Pyoderma gangrenosum (PG) is a rare chronic skin disease characterized by painful skin ulcers. There are no treatment guidelines for PG; however, systemic treatment is often administered. Recently, adalimumab (ADA), a fully human monoclonal antibody against tumor necrosis factor, was approved for the treatment of refractory PG in Japan.

A fatal septic shock caused by potentially associated with COVID-19: A case report.

Background: spp. is associated with fulminant sepsis, particularly in those with immunosuppression. We here report a rare case of fatal fulminant septic shock caused by , concurrent with COVID-19.

Mandibular Nodule Caused by Mycobacterium marinum with False Positive Interferon-γ Release Assay.

Mycobacterium marinum is a ubiquitous organism inhabiting both fresh and salt water. It can cause human diseases such as skin and soft tissue infection. The organism is also known to cause a false positive reaction to interferon-γ release assay, the test to diagnose latent tuberculosis infection.

The Vicissitude of Do Not Attempt Cardiopulmonary Resuscitation (DNACPR) Order During COVID-19 Pandemic in Japan - A Retrospective Cohort Study.

Introduction: Japan went through five surges of coronavirus disease 2019 (COVID-19) or "waves". However, their impacts on the do not attempt cardiopulmonary resuscitation (DNACPR) of the patients are not known.

Methods: A retrospective single-center cohort study was conducted for all hospitalized patients with COVID-19 from March 1, 2020, to September 30, 2021.

A case of human immunodeficiency virus (HIV) infection without increase in HIV RNA level: A rare observation during the modern antiretroviral therapy era.

It is known that some with human immunodeficiency virus (HIV)-positive patients can remain immunocompetent for long period, maintaining their CD4-positive T lymphocytes (CD4 cells) while suppressing HIV. However, this population became rarely seen recently since potent antiretroviral therapy (ART) became available worldwide, and the latest guidelines recommend initiating ART regardless of the status of immunity of the patients. Herein, we present a rather unusual case of HIV-1 infection, where the patient was hospitalized for 3 years and was accidentally found to have the infection, without increasing his HIV RNA level in serum although his CD4 cells were decreased.

Behçet's Disease with Bilateral Renal Infarction Due to Mucormycosis.

We herein report a case of Behçet's disease with renal infarction due to mucormycosis. A 76-year-old man with entero-Behçet's disease had been treated with glucocorticoid and tumor necrosis factor (TNF) inhibitors. His entero-Behçet's disease was refractory to these treatments, and ileocecal resection was performed.

Increase of blood culture contamination during COVID-19 pandemic. A retrospective descriptive study.

Background: Secondary bacterial infection during the care of coronavirus disease 2019 (COVID-19) patients poses risks to the patients, but there are concerns of an increase in blood culture contamination.

Methods: A retrospective comparative study was conducted from April 1 to December 31, 2020, when the patients with COVID-19 were taken care of (pandemic period, PP), and it was compared with the same period in 2019 (pre-pandemic period, pre-PP).

Results: A total of 346 patients with COVID-19 were hospitalized during the study period in 2020.

Perianal Abscess Caused by Listeria monocytogenes.

Listeria monocytogenes can cause gastrointestinal infections in healthy children and adults, but they tend to be mild and self-limiting. It can, however, cause serious potentially lethal infections, such as meningitis and bacteremia, to those with underlying conditions. A woman in her 60s with liver cirrhosis developed abdominal pain and a fever, and she turned out to have a perianal abscess caused by L.

Immunological Properties of Atopic Dermatitis-Associated Alopecia Areata.

Alopecia areata (AA) is regarded as a tissue-specific and cell-mediated autoimmune disorder. Regarding the cytokine balance, AA has been considered a type 1 inflammatory disease. On the other hand, AA often complicates atopic dermatitis (AD) and AD is regarded as type 2 inflammatory disease.

Use of Rifampin Compared with Isoniazid for the Treatment of Latent Tuberculosis Infection in Japan: A Bayesian Inference with Markov Chain Monte Carlo Method.

Objective Treating latent tuberculosis infection (LTBI) is essential for eliminating the serious endemicity of tuberculosis. A shorter regimen is preferred to longer regimens because the former has better adherence with a better safety profile. However, lengthy treatment with isoniazid is still recommended in Japan.