Original Articles

Incidence and clinical characteristics of pediatric vitamin D deficiency in Hokkaido, Japan: A survey of cases diagnosed between 2015 and 2019
Shinsuke Fukui, Takamasa Miyoshi, Tomoka Tsubota, Takahide Kokumai, Shigeru Suzuki, Yusuke Tanahashi
Clin Pediatr Endocrinol. 2026 Apr; 35(2): 123–130.

Association between perinatal growth restriction and subsequent body build in very-low-birth-weight infants
Akinori Shichijo, Keisuke Nakamura, Hiroyuki Tomino, Shun Ogiwara, Masakazu Egashira, Tomoko Mizukami, Toshimitsu Takayanagi, Tomoko Egashira
Clin Pediatr Endocrinol. 2026 Apr; 35(2): 131–139.

Efficacy and safety of reduced-dose insulin infusion in pediatric diabetic ketoacidosis: a randomized clinical trial
Hoda Atwa, Marwa Ali, Ahmed Ibrahim
Clin Pediatr Endocrinol. 2026 Apr; 35(2): 140–151.

Age-dependent changes in infant head shape: a smartphone app-based study in Japan
Satoshi Narumi, Yui Honda, Yoriko Kotoku, Hiromi Eto, Yuko Numasawa-Kuroiwa, Yoshiaki Sakamoto, Hiroki Kajita, Tomoru Miwa, Atsuko Nakahari, Shigeharu Hosono
Clin Pediatr Endocrinol. 2026 Apr; 35(2): 152–160.

Clinical utility of TRAb reduction in predicting remission in pediatric Graves’ disease
Shintaro Terashita, Mariko Nagamori, Yasuhiro Naiki, Aiko Sugiura, Nagisa Ujita, Kenichi Kashimada, Chihaya Imai
Clin Pediatr Endocrinol. 2026 Apr; 35(2): 161–167.

Case Reports

Therapeutic plasmapheresis in a young infant with severe hypertriglyceridemia: a case report
Abhijit Choudhary, Arya James, Urmila Dahake, Soumya Das, Pinjari Chinigi Sab, Shikha Jain, Akash Bang, Meenakshi Girish
Clin Pediatr Endocrinol. 2026 Apr; 35(2): 168–172.

Growth hormone therapy in a patient with short stature due to fetal alcohol syndrome: seven-year follow-up
Koichi Yoshida, Yuki Okamatsu, Hiroshi Kanda, Shuichi Yatsuga
Clin Pediatr Endocrinol. 2026 Apr; 35(2): 173–178.

Long-lasting hypoglycemia through insulin degludec during acute kidney injury after diabetic ketoacidosis: A case report
Sayaka Kawashima, Tomohisa Suzuki, Hirohito Shima, Dai Suzuki, Miki Kamimura, Atsuo Kikuchi, Junko Kanno
Clin Pediatr Endocrinol. 2026 Apr; 35(2): 179–185.

Two siblings with Schaaf-Yang syndrome treated with growth hormone
Yukiko Hashimoto, Kazutaka Nanba, Yosuke Konishi, Takashi Matsukura, Naoko Yano, Takeshi Yoshida
Clin Pediatr Endocrinol. 2026 Apr; 35(2): 186–191.

Short Communication

Verification of the serum lipid tracking phenomenon by a follow-up survey using mail-in medical examinations for participants who underwent lifestyle-related disease prevention examinations as children
Toru Kikuchi, Yohei Ogawa
Clin Pediatr Endocrinol. 2026 Apr; 35(2): 192–196.

Mutation-in-Brief

Sibling cases of congenital hypogonadotropic hypogonadism harboring compound heterozygous KISS1R variants
Yuki Miyahara, Kenichi Yamamoto, Ayaha Hata, Takatoshi Maeyama, Tamaki Wada, Natsuko Yamazaki, Saori Kinoshita, Yuri Etani, Masanobu Kawai
Clin Pediatr Endocrinol. 2026 Apr; 35(2): 197–200.