1.Evaluation of a compression method for transconjunctival fat removal: safety and surgical utility compared to a conventional traction approach
Shoichiro NAKAJO ; Shintaro HASHIMOTO ; Misaki MIWA ; Takahiko TAMURA ; Hiroo TERANISHI
Archives of Aesthetic Plastic Surgery 2026;32(1):6-10
Background:
Transconjunctival fat removal (TFR) is a widely practiced aesthetic procedure for lower eyelid bulging, with the traction method commonly used to secure the surgical field. However, this approach carries risks such as lower eyelid skin penetration and extraocular muscle injury. To address these concerns, a compression method that avoids energy devices and enables blunt dissection through orbital compression was evaluated.
Methods:
A retrospective study was conducted of 60 TFR cases performed by a single surgeon between March 2024 and February 2025. Patients were categorized into compression (n=30) and traction (n=30) method groups based on the technique used for surgical field exposure. Postoperative complications were assessed over a 1-month period.
Results:
No significant differences were found in baseline demographics. Postoperative complications occurred in three cases (10.0%) in the compression group and two cases (6.7%) in the traction group (P=0.640). All complications were mild and resolved without reoperation. No severe adverse events, including orbital hemorrhage, infection, or visual impairment, were observed. One case of residual orbital fat in the compression group was attributed to limited visualization due to orbital pressure.
Conclusions
The compression method demonstrated a safety profile comparable to that of the traction method and may serve as a viable alternative, particularly for less experienced surgeons. It offers a simplified and potentially safer approach for performing TFR, supporting its utility in clinical practice and surgical training.
2.Combined transabdominal and transperineal endoscopic pelvic exenteration for colorectal cancer: feasibility and safety of a two-team approach
Tetsuro TOMINAGA ; Takashi NONAKA ; Akiko FUKUDA ; Toshio SHIRAISI ; Shintaro HASHIMOTO ; Masato ARAKI ; Yorihisa SUMIDA ; Terumitsu SAWAI ; Takeshi NAGAYASU
Annals of Surgical Treatment and Research 2021;101(2):102-110
Purpose:
Pelvic exenteration (PE) is a highly invasive procedure with high morbidity and mortality rates. Promising options to reduce this invasiveness have included laparoscopic and transperineal approaches. The aim of this study was to identify the safety of combined transabdominal and transperineal endoscopic PE for colorectal malignancies.
Methods:
Fourteen patients who underwent combined transabdominal and transperineal PE (T group: 2-team approach, n = 7; O group: 1-team approach, n = 7) for colorectal malignancies between April 2016 and March 2020 in our institutions were included in this study. Clinicopathological features and perioperative outcomes were compared between groups.
Results:
All patients successfully underwent R0 resection. Operation time tended to be shorter in the T group (463 minutes) than in the O group (636 minutes, P = 0.080). Time to specimen removal was significantly shorter (258 minutes vs. 423 minutes, P = 0.006), blood loss was lower (343 mL vs. 867 mL, P = 0.042), and volume of blood transfusion was less (0 mL vs. 560 mL, P = 0.063) in the T group, respectively. Postoperative complications were similar between groups.
Conclusion
Combined transabdominal and transperineal PE under a synchronous 2-team approach was feasible and safe, with the potential to reduce operation time, blood loss, and surgeon stress.
3.Combined transabdominal and transperineal endoscopic pelvic exenteration for colorectal cancer: feasibility and safety of a two-team approach
Tetsuro TOMINAGA ; Takashi NONAKA ; Akiko FUKUDA ; Toshio SHIRAISI ; Shintaro HASHIMOTO ; Masato ARAKI ; Yorihisa SUMIDA ; Terumitsu SAWAI ; Takeshi NAGAYASU
Annals of Surgical Treatment and Research 2021;101(2):102-110
Purpose:
Pelvic exenteration (PE) is a highly invasive procedure with high morbidity and mortality rates. Promising options to reduce this invasiveness have included laparoscopic and transperineal approaches. The aim of this study was to identify the safety of combined transabdominal and transperineal endoscopic PE for colorectal malignancies.
Methods:
Fourteen patients who underwent combined transabdominal and transperineal PE (T group: 2-team approach, n = 7; O group: 1-team approach, n = 7) for colorectal malignancies between April 2016 and March 2020 in our institutions were included in this study. Clinicopathological features and perioperative outcomes were compared between groups.
Results:
All patients successfully underwent R0 resection. Operation time tended to be shorter in the T group (463 minutes) than in the O group (636 minutes, P = 0.080). Time to specimen removal was significantly shorter (258 minutes vs. 423 minutes, P = 0.006), blood loss was lower (343 mL vs. 867 mL, P = 0.042), and volume of blood transfusion was less (0 mL vs. 560 mL, P = 0.063) in the T group, respectively. Postoperative complications were similar between groups.
Conclusion
Combined transabdominal and transperineal PE under a synchronous 2-team approach was feasible and safe, with the potential to reduce operation time, blood loss, and surgeon stress.
4.Effect of Coix-seed Reactive Derivatives(CRD) on Cold Sensitivity of Female Hands and Feet: A Randomized Controlled Trial
Nobutaka SUZUKI ; Hoko KYO ; Hirotaka OKUWA-HAYASHI ; Kazuo UEBABA ; Shintaro HASHIMOTO
Japanese Journal of Complementary and Alternative Medicine 2020;17(1):33-36
We evaluated the effect of Coix-seed Reactive Derivatives (CRD) on cold sensitivity of female hands and feet. Ninety females were assigned randomly to 3 groups and CRD(2g/day, 4g/day or placebo) was administrated for 8weeks. Significant improvement of cold sensitivity was observed in both the 2g/day and 4g/day groups. It was speculated that a naringenin and a quercetin as active ingredients of adlay hull may play a critical role in ameliorating effect on blood flow.
5.Two Cases of Plantar Keratosis Successfully Cured by Intake of Coix-seed Reactive Derivatives (CRD)
Nobutaka SUZUKI ; Hoko KYO ; Kazuo UEBABA ; Shintaro HASHIMOTO
Japanese Journal of Complementary and Alternative Medicine 2020;17(1):51-53
To clarify the functions of Coix-seed Reactive Derivatives(CRD), we observed 2 cases of plantar keratosis (case 1. 34 years of age, female/ case 2. 29 years of age, female) successfully cured by intake of CRD for several months. Although CRD intake seemed to be effective in these cases, further studies are needed to define the optimal dose and duration.
6.Dermatitis Successfully Cured by Intake of Coix-seed Reactive Derivatives (CRD): An Observational Study
Nobutaka SUZUKI ; Hoko KYO ; Kazuo UEBABA ; Shintaro HASHIMOTO
Japanese Journal of Complementary and Alternative Medicine 2020;17(1):55-59
To clarify the functions of Coix-seed Reactive Derivatives(CRD), we observed 3 cases of refractory atopic dermatitis(case 1. 25 years of age, male/ case 2. 40 years of age, female/ case 3. 5 years of age, male) successfully cured by intake of CRD. Although CRD intake seemed to be effective in all cases, further studies are needed to define the optimal dose and duration.
7.Two Cases of Plantar Wart Successfully Cured by Intake of Coix-seed Reactive Derivatives (CRD)
Nobutaka SUZUKI ; Hoko KYO ; Kazuo UEBABA ; Shintaro HASHIMOTO
Japanese Journal of Complementary and Alternative Medicine 2020;17(1):61-64
To clarify the functions of Coix-seed Reactive Derivatives(CRD), we observed 2 cases of plantar wart (case 1. 8 years of age, female/ case 2. 26 years of age, female) successfully cured by intake of CRD for several months. Although CRD intake seemed to be effective in these cases, further studies are needed to define the optimal dose and duration.
8.A Case of Hand Eczema Cured by Intake of Coix-seed Reactive Derivatives (CRD)
Nobutaka SUZUKI ; Hoko KYO ; Kazuo UEBABA ; Shintaro HASHIMOTO
Japanese Journal of Complementary and Alternative Medicine 2020;17(1):65-67
In this report, we presented the case of a 45-year-old man who developed intractable eczema on the thumb-index interdigital fold for over 3 years. Coix-seed Reactive Derivatives(CRD) was administrated at a dose of 2.2g/day per day. The lesion cured markedly within 7 months. Although CRD intake seemed to be effective in this case, further studies are needed to define the optimal dose of this food.
9.Effective Use of Coix-seed Reactive Derivatives (CRD) in Managing Photoaging of the Skin: A Case Report
Nobutaka SUZUKI ; Hayato SUGIMOTO ; Shintaro HASHIMOTO ; Hoko KYO ; Kazuo UEBABA
Japanese Journal of Complementary and Alternative Medicine 2019;16(1):53-56
Ultraviolet (UV)-induced wrinkle and pigmentation are very common in clinical practice. In this report, we presented the case of a 58-year-old man who developed wrinkle and pigmentation around right hand, face and neck for ten years. Coix-seed Reactive Derivatives (CRD) was administrated orally 2.1g twice a day for 6 months. These lesions were improved in the third month, and a dramatic response was obtained at the end of 6 months of treatment. Further research is needed to define the optimal dose and duration of CRD intake.
10.Successful Treatment of Severe Friction Melanosis with Coix-seed Reactive Derivatives (CRD): A Case Report
Nobutaka SUZUKI ; Hayato SUGIMOTO ; Shintaro HASHIMOTO ; Hoko KYO ; Kazuo UEBABA
Japanese Journal of Complementary and Alternative Medicine 2019;16(1):57-60
Friction melanosis is a cutaneous entity characterized by a brownish pigmentation distributed on the skin over bony regions of various sites including a trunk or the limbs, after the use, for many years, of a nylon towel or scrub brush to clean the skin. Moreover, repeated trauma due to friction of clothes on the skin over bony prominences are another factors characterizing its pathogenesis. In this report, we presented the case of a 58-year-old man who developed severe friction melanosis around both knees and lower extremities for about 20 years. Coix-seed Reactive Derivatives (CRD) was administrated orally 2.1g twice a day for 6 months. The lesions of pigmentation diminished markedly within 3 months. Further research is needed to define the optimal dose and duration of CRD intake against friction melanosis.


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