Orthostatic dysregulation often occurs during adolescence and presents with symptoms such as dizziness, difficulty waking up in the morning, nausea, anorexia, general malaise, and headache. Herein we describe a case of delayed sleep-phase syndrome in a 16-year-old female who had been treated with Kampo medicine since the age of 14 for orthostatic dysregulation. After taking renjuin, her condition improved and she was able to attend school. However, two winters later, her symptoms flared up and she was hospitalized. Electro-acupuncture test revealed her severe interior cold, and a simple sleep analysis showed that she was not getting deep sleep. We hypothesized that her interior cold contributed to her sleep disorder. After taking sekiganryo for the purpose of warming therapy, her waking time and sleep depth improved. This case showed that interior cold can cause sleep disorders and that warming therapy with sekiganryo may contribute to the improvement of sleep disorders.

We analyzed dispensing receipt data in the medical treatment in October 2019 using the Receipt Information/Specific Medical Examination Information National Database (NDB), extracted the cases of multiple combinations of Kampo prescriptions, and analyzed their frequencies. Of the 536,524 receipts, 44,731 (8.3%) included Kampo and non-Kampo crude drug preparations. Of the receipts that included Kampo and non-Kampo crude drug preparations, 38,032 receipts (7.1%) included single Kampo or non-Kampo crude drug preparation. There were 6,699 receipts (1.2%) that included multiple Kampo and non-Kampo crude drug preparations. There were 187 receipts for the decoctions containing multiple rude drugs without Kampo preparations, and the ratio was 0.035% of all receipts and 0.42% of the receipts containing Kampo and non-Kampo crude drug preparations. There was one receipt containing eight Kampo preparations, three receipts containing seven Kampo preparations, and a total of 84 receipts containing five or more Kampo preparations. Although it is unclear how many multiple Kampo preparations were prescribed at the same time, this investigation indicates the actual duplication of multiple Kampo preparations.

Background: Follicular tumors include follicular thyroid adenomas and carcinomas; however, it is difficult to distinguish between the two when the cytology or biopsy material is obtained from a portion of the tumor. The presence or absence of invasion in the resected material is used to differentiate between adenomas and carcinomas, which often results in the unnecessary removal of the adenomas. If nodules that may be follicular thyroid carcinomas are identified preoperatively, active surveillance of other nodules as adenomas is possible, which reduces the risk of surgical complications and the expenses incurred during medical treatment. Therefore, we aimed to identify biomarkers in the invasive subpopulation of follicular tumor cells. Methods: We performed a spatial transcriptome analysis of a case of follicular thyroid carcinoma and examined the dynamics of CD74 expression in 36 cases. Results: We identified a subpopulation in a region close to the invasive area, and this subpopulation expressed high levels of CD74. Immunohistochemically, CD74 was highly expressed in the invasive and peripheral areas of the tumor. Conclusions Although high CD74 expression has been reported in papillary and anaplastic thyroid carcinomas, it has not been analyzed in follicular thyroid carcinomas. Furthermore, the heterogeneity of CD74 expression in thyroid tumors has not yet been reported. The CD74-positive subpopulation identified in this study may be useful in predicting invasion of follicular thyroid carcinomas.

Kampo medicine containing Gardeniae Fractus is often used for agony of the chest, but there are few case reports about shishikankyoto. Here, we report a case of a 73-year-old woman with heat sensation in the chest and severe malaise successfully treated with shishikankyoto. She suffered from lung cancer five years previously, and received chemoradiation treatment. One year later, radiation pneumonitis developed, which was resolved naturally. After another year, she began to develop a slight fever, burning sensation and general malaise, which disappeared and recurred in cycles of about six months. She received Kampo medicine treatment for one year at another hospital, but lacked in improvement and was introduced to our hospital. We thought her symptoms were caused by deficiency heat pattern in the chest and cold in the epigastric region. By giving shishikankyoto in reference to a sentence in the Shang Hang Lun, her symptoms improved in about two weeks. Although, shishikankyoto is a prescription medicine with few reports, it is effective in a short period of time and is useful for similar symptoms.

A 64 year-old female presented with fever and cough. She had suffered from a cough for one day and we treated her with saikokeishito. However, her symptoms got worse and she developed chest pain. She was diagnosed with bacterial pneumonia at another clinic and she was referred to our hospital 3 days after starting saikokeishito. Her X-ray showed right infiltration in her lung and her blood examination had signs of inflammation. Pneumonia with pleuritis was suspected, but she was allergic to antibacterial drugs and hoped to continue Kampo treatment. We switched saikokeishito to saikanto. Her chest pain decreased soon after taking saikanto and 4 days later only a slight cough remained. Eleven days later, her inflammatory reaction improved. Kampo formulas containing Bupleuri radix are usually selected for pneumonia or pleuritis according to a patient' s pattern identification. We gave her saikanto, a mixture of shosaikoto and shokankyoto, because she had chest pain. Saikanto was significantly effective. There have been few clinical reports about treatment for pneumonia with Kampo medicine alone without using antibacterial drugs. We believe this case shows that Kampo treatment is effective for pneumonia and pleuritis.

Hangekobokuto is often used for globus sensation. We herein describe two cases in which ryokeijutsukanto was effective for globus sensation, for which hangekobokuto was ineffective. Case 1 was a 28-year-old woman. She had been suffering from postprandial belching, fullness and stuffy throat for a year. She underwent examination, but could not find the cause of her symptoms and visited our department. She was prescribed hangekobokuto, but the feeling of stuffiness in her throat did not improve. Case 2 was a 50-year-old woman. She had been afflicted with a feeling of fullness in the ears, tinnitus, and pain in the back of the eyes for two weeks. She visited the otolaryngology department, but no abnormalities were found so she visited our department. She was prescribed kamishoyosan, and although her ear fullness and tinnitus improved by about 60%, she began to complain of dizziness and throat stuffiness. This did not improve even though she used hangekobokuto with kamishoyosan. In both cases, after changing treatment to ryokeijutsukanto, the symptoms were improved. For globus sensation, it is necessary to select Kampo medicines while paying attention to qi deficiency, qi depression, qi counter flow, static blood, liver depression, lack of fluid, fluid toxicity, and gastrointestinal disorders. We thought that ryokeijutsukanto could be a candidate.

The persistent genital arousal disorder (PGAD) is a condition in which intense abnormal sensations and pain appear in the genital area without sexual stimulation. Here, we report two cases of PGAD successfully treated with tokishigyakukagoshuyushokyoto. Since dysfunction of nerves and blood vessels is thought to be involved in the cause of PGAD, we believed that tokishigyakukagoshuyushokyoto, which improves ischemia of the pelvic cavity organs, would be a good indication for this treatment. Tokishigyakukagoshuyushokyoto should be considered especially when tenderness in the inguinal region is observed.

A 65-year-old man, with a history of surgery for esophagogastric junction cancer in X-3, was admitted to the Department of Internal Medicine in our hospital in March for anorexia that had developed since January X. The patient was diagnosed with adhesive small bowel obstruction, and underwent surgery to relieve the obstruction in early May. However, his symptoms did not improve, and he was referred to our department in mid-June. His drooling was considered to be due to “excessive saliva secretion.” He started taking a decoction of bushirichuto for epigastric discomfort and resistance and coldness of the hands and feet. On the 5th day, he started to feel more energetic, and on the 8th day, his saliva production decreased. Furthermore, on the 12th day, his sense of taste and appetite improved. As the oral intake increased, tube feeding could be reduced and rehabilitation progressed ; from an almost bedridden state, he was able to walk continuously for 150 m with a cane. On the 29th day, he was transferred to a chronic care hospital. His weight increased from 34.1 kg, when he was referred to our department, to 39.7 kg at the discharge time. Anorexia and drooling, which had otherwise continued for 5 months, were improved within a short period of time by using bushirichuto.

We report a case of post coronavirus disease 2019 (COVID-19) condition, in which the patient suffered from a severe sense of fatigue and brain fog that was successfully treated with Kampo therapy. The patient was a 21-year-old man. He had been diagnosed with COVID-19 and hospitalized for follow-up examinations. He recovered without any complications and was discharged from the hospital, but continued to suffer from a severe sense of fatigue, coldness, dizziness, and a loss of concentration. Because of these symptoms, he had to spend most of the day lying down. One month later, he was hospitalized to receive Kampo therapy. We administered bukuryoshigyakuto for 2 weeks referring to his severe coldness and fatigue and then changed to renjuin for his fluid disturbance and blood deficiency. After starting Kampo therapy, his fatigue and dizziness gradually improved. He was discharged after 3 weeks of hospitalization and received Kampo therapy as an outpatient. One month later, he reported a dull feeling in his stomach and depression. We switched to kamikihitogohangekobokuto and added hachimigan. His activities of daily living improved and he could take 4.5-kilometer walk. He could return to work 4 months later. Kampo therapy may be useful for post COVID-19 condition that causes a sense of fatigue and brain fog.

The patient was a 47-year-old woman. Four years previously, she began to suffer from left lower leg pain and numbness, and involuntary movements. She received further examination in the department of neurology at other hospitals, but had an uncertain etiology and was provisionally diagnosed with restless legs syndrome. She was treated with Western medicine such as gabapentin and gabapentin enacarbil, but they were ineffective. She subsequently visited our hospital and was hospitalized. She was diagnosed with painful legs and moving toes syndrome, and painful arms and moving fingers syndrome after further examination. We prescribed tokakujokito because she had severe blood stasis and panic disorder on Kamp medical findings. As a result, her left lower leg numbness disappeared and pain was reduced. We report a case of a patient who could not be effectively treated using Western medicine and was successfully treated with tokakujokito-based Kampo prescriptions.