ISSN 2436-018X

JOURNAL OF HOSPITAL GENERAL MEDICINE

MAY 2022 Volume 4-3

Original article

Clinical prediction rules for COVID-19:Using a Chi-Squared Automatic
Interaction Detector (CHAID) Decision Tree Analysis Model・・・・・ Sayato Fukui   125

Clinical characteristics of Hodgkin lymphoma in adolescents
and young adults・・・・・・・・・・・・・・・・・・ ・・・・・・Daisuke Nagase   133

The depressive state of COVID-19-free patients seen in a General Medicine
Department before and during the outbreak ・・・・・・・・・・・Hisashi Ohseto   139

Case report

A case of the efficacy of Kampo medicine for relatively prolonged
side effects following coronavirus disease 2019 vaccine・・・・・・・Yasuhito Irie   148

Emphysematous Osteomyelitis of the Spine due
to Staphylococcus aureus・・・・・・・・・・・・・・・・・・・・Shinnichi Mukai   153

Key Image of General Medicine

Black esophagus as an indicator of diabetes and cirrhosis ・・・・・ Yosuke Sasaki  158
Un-palpated subcutaneous amyloid deposits
by insulin injection・・・・・・・・・・・・・・・・・・・・・Toshitaka Sawamura   160

Multiple Gouty Tophi with Urate Milk・・・・・・・・・・・・・・・・Satsuki Araki   163
Axillary lymphadenopathy detected by FDG/PET-CT
after COVID-19 mRNA vaccination ・・・・・・・・・・・・・・・・Yosuke Sasaki   165

Brief report

A case of chronic thyroiditis with sudden hypothyroidism after
the administration of the mRNA COVID-19 vaccine ・・・・・Shigenori Nakamura   167

LETTERS TO THE EDITOR

Five tips on clinical research mentorship
for Japanese generalists・・・・・・・・・・・・・・・・・・・・・Kiyoshi Shikino   170

How can we train exemplary general hospitalists? ・・・・ ・・・・・ Masaki Tago   172

JHGM 2022:4(3):125-132

Original article

Clinical prediction rules for COVID-19:
Using a Chi-Squared Automatic Interaction
Detector (CHAID) Decision Tree Analysis Model

Sayato Fukui 1)※  Daiki Kobayashi 2)  Akihiro Inui 1)
Takehiro Katahira 4)  Takayuki Komatsu 3)  Manabu Sugita 3)
Toshio Naito 1)
1) Department of General Medicine, Juntendo University Faculty of Medicine
2) Department of Internal Medicine, St. Luke’s International Hospital
3) Department of Emergency and Critical Care Medicine, Juntendo University Nerima Hospital
4) Department of Medicine, Metabolism and Endocrinology, Juntendo University Graduate School of Medicine

Key Words:coronavirus disease, polymerase chain reaction, risk factors, predictive rule

JHGM 2022:4(3):133-138

Original article

Clinical characteristics of Hodgkin lymphoma
in adolescents and young adults

Daisuke Nagase 1)    Yosuke Sasaki 2)※    Ai Hirota 1)
Hirofumi Irita 1)  Naoki Onda1)   Kazuhiko Natori 1)
1) Division of Hematology and Oncology, Department of Medicine, Toho University School of Medicine
2) Department of General Medicine and Emergency Care, Toho University School of Medicine

Key Words:diagnostic delay, fever, primary care physician, symptom interval

JHGM 2022:4(3):139-147

Original article

The depressive state of COVID-19-free patients
seen in a General Medicine Department before
and during the outbreak

Hisashi Ohseto1)#  Michiaki Abe1)2)#※  Takuhiro Yamaguchi3)  Shin Takayama1)
Tetsuya Akaishi1)  Takeshi Kanno1)  Ko Onodera 1)  Minoru Ohsawa 1)
Junichi Tanaka 1)  Takehiro Numata 1)  Yasunori Tadano 1)   Satoko Suzuki1)  Kota Ishizawa 1)
Akiko Kikuchi 1)   Ryutaro Arita1)  Natsumi Saito 1)  Rie Ono 1)  Tadashi Ishii 1)2)

# HO and MA contributed equally to this study.

1) Department of Education and Support for Regional Medicine, Tohoku University Hospital
2) Tohoku Medical Megabank Organization, Tohoku University
3) Division of Biostatistics, Tohoku University Graduate School of Medicine

Key Words:General medicine, depressive state, COVID-19 period, COVID-19-free patient, the Self-rating Depression Scale

JHGM 2022:4(3):148-152

Case report

A case of the efficacy of Kampo medicine
for relatively prolonged side effects following
coronavirus disease 2019 vaccine

Yasuhito Irie 1)2)※  Hajime Nakae 1)   Saga Akiko 2)   Haruka Hikichi 2)
Ken Watanabe 2)  Kasumi Satoh 1)2)  Toshiharu Kitamura 1)2)  Shigeharu Ueki2)
1) Akita University Hospital Advanced Emergency and Critical Care Center
2) Akita University Hospital General Physician Center

Key Words:Coronavirus disease 2019, side effect, vaccine

JHGM 2022:4(3):153-157

Case report

Emphysematous Osteomyelitis of the Spine due to
Staphylococcus aureus

Shinnichi Mukai  Hiroki Isono   Kousuke Ihara
Momoko Isono  Keisuke Kondo

Department of General Medicine, HITO Medical Center

Key Words:emphysematous osteomyelitis, spine, Staphylococcus aureus

JHGM 2022:4(3):158-159

Key Image of General Medicine

Black esophagus as an indicator of diabetes
and cirrhosis

Yosuke Sasaki   Katsuhito Kashiwagi  Tadashi Maeda
Tomoyuki Shigeta  Takahiro Sato  Yoshihisa Urita

Department of General Medicine and Emergency Care, Toho University School of Medicine

Key Words:esophageal necrosis, Gurvits’ syndrome, ischemia

JHGM 2022:4(3):160-162

Key Image of General Medicine

Un-palpated subcutaneous amyloid deposits
by insulin injection

Toshitaka Sawamura   Ai Ohmori  Kei Sawada

Asanogawa general hospital

Key Words:subcutaneous amyloid deposits, insulin ball, diabetes

JHGM 2022:4(3):163-164

Key Image of General Medicine

Multiple Gouty Tophi with Urate Milk

Satsuki Araki  Takashi Nakagawa  Hiroki Takahashi

Department of General Internal Medicine, National Hospital Organization Sendai Medical Center

Key Words:gout, gouty tophi, urate milk

JHGM 2022:4(3):165-166

Key Image of General Medicine

Axillary lymphadenopathy detected by FDG/PET-CT
after COVID-19 mRNA vaccination

Yosuke Sasaki 1)※  Tatsuki Nanami 2)  Sunao Mizumura 3)
Yoshihisa Urita 1)  Hideaki Shimada 2)
1) Department of General Medicine and Emergency Care, Toho University School of Medicine
2) Department of Surgery, Toho University School of Medicine
3)Department of Radiology, Toho University School of Medicine

Key Words:gastric cancer, metastasis, vaccine

JHGM 2022:4(3):167-169

Brief report

A case of chronic thyroiditis with sudden
hypothyroidism after the administration
of the mRNA COVID-19 vaccine

Shigenori Nakamura 1)※  Masatoshi Ishimori 1)    Kenji Wakahara 2)
1) Thyroid and Diabetic Division, Department of Internal Medicine, Japanese Red Cross Gifu Hospital
2) Kitaisshiki-Family-Clinic

Key Words:chronic thyroiditis, hypothyroidism, mRNA COVID-19 vaccine

JHGM 2022:4(3):170-171

LETTERS TO THE EDITOR

Five tips on clinical research mentorship
for Japanese generalists

Kiyoshi Shikino 1)  Masaki Tago 2)※   Takashi Watari 3)
Yosuke Sasaki 4)  Hiromizu Takahashi 5)   Taro Shimizu 6)
1) Department of General Medicine, Chiba University Hospital
2) Department of General Medicine, Saga University Hospital
3) General Medicine Center, Shimane University Hospital
4) Department of General Medicine and Emergency Care, Toho University School of Medicine
5) Department of General Medicine, Faculty of Medicine, Juntendo University
6) Department of Diagnostic and Generalist Medicine, Dokkyo Medical University

Key Words:clinical research, generalist, mentorship, mentee, research activity

JHGM 2022:4(3):172-173

LETTERS TO THE EDITOR

How can we train exemplary general hospitalists?

Masaki Tago 1)※  Kiyoshi Shikino 2)  Risa Hirata 1)  Kotaro Kunitomo 3)
Yumi Otaka 4)  Sosuke Matsui 5)  Taro Shimizu 4)
1) Department of General Medicine, Saga University Hospital
2) Department of General Medicine, Chiba University Hospital
3) Department of General Medicine, National Hospital Organization Kumamoto Medical Center
4) Department of Diagnostic and Generalist Medicine, Dokkyo Medical University
5) Department of General Medicine, Kensei Hospital