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Statement of Ishiyama (by Daty on 13 July 1946, not executed.) Ishiyama put his left hand between the incision and felt both lungs of th eoperated patient, examined the lung and heart, found no scars or puncture; the lungs locked normal; doesn't believe the lungs were subject to any serious disease. Statement of Ishiyama (15 July 1946) 54, a Buddhist, chief surgeon, of the 1st Surgical Institute, has been with the hospital 5 years., graduated from KIU in 1916, served as a surgeon until 1928 (?). Ishiyama had been experimenting on causes for the growth of gall stones for 10 years, experimenting on metastase (cancer of the stomach) for 6 years, experimenting on corpuscles of the lung, epilepsy, sea water substitute, the transfusion of (different types of blood to another person. 20 years previously, Ishiyama experimented on the leaking of the gall from the bladder, then studied microscopically the chemical analysis, X-ray analysis and spectrum of the gall stone, comparing the Japanese, Korean, Taiwan, Siamese, Chinese, Malayan, Free Indo-Chinese and German gall stones, which he gathered. Dr. Mori of Kagoshima gathered gall stones at Inod-China, Malay, Siam and Free Indo-China. Dr. Mori, Toshio Ilidemura, Morinoba Mukail and Nango assisted Ishiyama. Cancer of the stomach will recurr even when the stomach is removed so Ishiyama experimented as to how much of the lymph glandulae should be cut out since the root of cancer rests in the Lymph Glandulae of the stomach, appears on the net of the stomach so has experimented as to how much of the net must be removed. Drs. Hirao, Wada, Koga and Shizu assisted in these operations. After various operations the patients condition becomes difficult; one reason is pneumonia, another is due to collapsus of the lung. Ishiyama studied to see where the germs lay in the collapsus. Other reasons for difficulty are the lung nerves and spinal cord nerves becoming paralyzed. Masuda assisted Ishiyama in these experiments. The 2 types of epilepsy are Jackson and Genuine. Ishiyama experimented to change the method of operating in Genuine— to remove 50 grams of brains from the frontal Lobektomie, either from the right or left or both, but epilepsy will still remain. Ishiyama then cut the Caklcsum of the brain, comparing the 2 methods. Ishiyama now has 50 patients of each type. Dr. Tadao Tamura and Dr. Nobukichi Nogawa assisted in these. Ishiyama has experimented with the different types of blood in transfusion, resulting in blood clogging, which Ishiyama tried to prevent by diluting the blood with saline or Ringer solution. The use of sea water on dogs and rabbits was successful, began to use it diluted 4 parts with agua distillate in February 1945 on humans. It raises the blood pressure. Ishiyama's first patient to die where it was used was on 20 June, a bomb victim, died of burns. Hirao was in charge of administering this sea water to humans, injected this solution. Ishiyama never used sea water except on Japanese nationals.
ISHIYAMA -2- Komori telephoned Ishiyama about 10 May from WAH that he had a B-29 flyer who appeared to be bleeding from the lung, thought the Prisoner should be operated on immediately and asked if he could bring him to the University; Ishiyama told Komori Japanese patients were very bitter toward America, but said he would go to WAH. Komori said he didn’t have the necessary surgical equipment, hung up. Ishiyama then telephoned Hirako and told him they were going to borrow the autopsy lab in which Komori was going to bring a PW. Ishiyama sterilized the necessary equipment, and Ishiyama, Hirao, Torisu and Tsutsui carried the equipment to the autopsy lab. They arrived about 1500, made preparations, and awaited Komori. The Prisoner was brought in and they washed, put on robes. The PW was helped by 2 soldiers since he was drugged with morphine; he was laid on the operating table, appeared anemic due to lack of blood, and his breath was short and rapid. Ishiyama applied a stethoscope to the right lung, couldn't hear any sound, so decided the blood was clogged in the cavit of the pleura as Komori had stated. If they didn’t operate he would die, might live if they operated. Ishiyama believes Hirao applied the other mask on the patient, made an incision on the breast, removed the right 3rd rib. The incision was then spread apart with a Haken; Ishiyama examined the lung and pleura, discovered the blood was clogged in the pleura so he removed the clogged blood with gauze— there ware about 300 ccs of blood clogged there. Ishiyama could find no scratches, scars, or wounds on the lung. This examination lasted about 30 minutes; the patient’s pulse be came weak. Torisu injected 300 ccs of serum, Ishiyama believes seawater. The operation was then stopped, Ishiyama sewed up the incision, noticing for the 1st time that Sato and a major were present. The patient got worse; Ishiyama injected a dose of intracardial into the heart, but the patient died. Komori then stated there was another PW there whom he thought had a bullet in his lung, that since he couldn’t perform a lung operation in the army hospital he would like Ishiyama to operate and show him how to do it. Since Ishiyama was there at the autopsy room and the army was represented Ishiyama could not refuse (?) Komori was the chief surgeon; Hirao and Ishiyama were assistants. Komori made an incision as in the first operation, spread it with a Haken, placed his hand on the lung, couldn’t find any bullets or wounds; Ishiyama tried, was unsuccessful. Komori started to sew the incision, but the incision was big, the pulse became weak, the patient's breath rapid, Torisu gave seawater injection, he thinks, but about 30 minutes later he died. Komori did close the incision. The officers left, Miki gathered the equipment, and she, Tsutsui, Torisu, Hirao and Ishiyama went back. The 2 bodies were taken by 2 autopsy section helpers to the crematory. Other operations were held there in June, were unknown except to those present. Some students in September claimed they witnessed am operation. Ishiyama received 2 anonymous letters, one in English, one in Japanese in the same envelope, charging Ishiyama with experimenting with seawater on PWs causing their deaths. Ishiyama believes Hirao reported to Ishiyama that he overheard students talking about the operation in September. Ishiyama recalls seeing Hirako at the 1st 2 operations. Miki was not there for all the operations, but was present in the room one time or another. ISHIYAMA -3- Morimoto was still in the army returned about August. Ishiyama believes Aihara was at the 2nd operation. Major Yakumaru was the person present at the first. At the first operation, Ishiyama believes Miki passed the equipment, Tsutsui felt the patient's pulse, brought the ether from another table, helped when she was needed; Hirao was Ishiyama's assistant, stood next to Komori, wiped the clogged blood from the patient, held the Haken to spread the incision. Torisu was responsible for ether and handled the ether nozzle. Komori handled the ligatur which prevents the blood from bleeding unnecessarily, handled the Pincett when Ishiyama made the incision, stood across from Ishiyama, Hirako was an observer, doesn't think he was there throughout. Torisu injected the seawater. In the 2nd operation Tsutsui did the same as the first, Miki passed the surgical equipment, Torisu didn't handle the ether nozzle, Hirao did the same as at the first, he believes Torisu injected Saline and Ringer solution; sea water wasn't used on the 2nd person. Statement of Ishiyama (unexecuted, taken by Daty on 16-17 July) At 10 May Komori brought 3 Prisoners, said the other 2 were to be operated on, to which Ishiyama agreed. Torisu, Hirao and Tsutsui were there when he met Komori, who stated that he had permission from Yokoyama and the man in charge of PWs; Ishiyama asked Sato about this when he entered. He said it would be alright to operate since the WA CG had given permission to do so. In November 1945 Ishiyama learned for the first time that these PWs were members of the group that were executed in June or July 1945 from Sato, who said it must be kept quiet, that the PWs brought to the University were not:included in the 34 he said were executed. Ishiyama stated he must report these operations to Macarthur, but Sato dissuaded him, stating the PWs were listed as having been sent to Hiroshima. Ishiyama met Sato twice after the war, the first time about the first of September when Sato expressed his appreciation for Ishiyama’s help! during the war. Ishiyama then changes the date of his 2nd meeting at Dr. Tanamachi's home from November to 12-13 October 1945. Sato said that the army had nothing to do with the disposal of the body. Ishiyama said it must have been disposed of at the crematory. (Singular ?) The 3 went to a restaurant. In January a SGAP directive asked for reports of all patients outside of Japanese who were treated in Japanese hospitals. Ishiyama discussed the matter of the PWs with Ryotei Nakajima, director of KIU Hospital and Seichi Jinnaka, assistant director of the hospital. Ishiyama said he wanted to report the PWs, Nakajima and Jinnaka asked what WA said about them; Ishiyama stated that it had been arranged by WA to have the PWs reported as having been sent to Hiroshima; Jinnaka and Nakajima told Ishiyama then not to turn in a report. The bodies of the PWs were cremated at the hospital and the bones and ashes are in a vault in the pathology building. In May and June, Ishiyama had no objective other than saving the lives of the PWs, and only after war did he realize there was another objective. In the case of the PW who was supposed to have a bullet in his lung, there was a mark which indicated that a bullet had gone through the body between ISHIYAMA -4- the 2nd and 3rd rib; the hole was the size of a thumb, was already healed, was not bandaged; the wound was about 2 weeks old. Nothing was wrong with this patient except that he was nervous. They did not take his temperature; Ishiyama doesn’t know whethere he had a fever. Doctors at the PW operations: Mori - at 1st series. Koga - no Nogawa - No Senba - at 1st series Komori was a medical student of Ishiyama around 1928, graduated and served under Ishiyama until 1935, then worked at Wakamatsu Isolation Hospital, then lukuoka Miyagi Hospital, entered army, stationed at Beppu, transferred to the Fukuoka Hospital in 1944. In June 1945 he was wounded in the leg in an air raid; Ishiyama amputated the leg, but he subsequently died. At his death bed Komori Stated that it was orders from higher officials that made him bring the PWs to the University to be operated on and therefore called Ishiyama be phone to notify him that he was bringing them to the University. ”He then recalled that he had refused me. He stated that he had injected some seawater as Ishiyama suggested but the patient turned to the worse so he brought the PW to the Anatomy .Ward, said he was sorry he caused Ishiyama so much trouble. Present at Komori’s death were Sato, Yakumaru, Torisu, Tsutsui, and another soldier. Ishiyama ’’used to visit” WA for 2 years to instruct young medical officers operative techniques and use of injections, including seawater. This was as a result of a request throughout Japan of Lt. General Kambayashi of Tokyo. Ishiyama knew the following WA medical officers: Horiuchi, Komori, Tsurumaru, and Morotani. Shortly after the operations, in June, "We were called” to the WA Club by Sato and Komori. They were told not to mention the operations. Present also were Torisu and Hirao. Ishiyama later instructed Tsutsui. Ishiyama was not ordered, but asked to perform the operation. Ishiyama refused Komori’s request to operate since he was only a PO, but since Sato was at the operation Ishiyama figured he represented the army. According to the doctor’s oath, Ishiyama cannot refuse to treat a patient, so he could not refuse to operate the 2nd time Komori brought PWs. There were no written orders from army officials. Ishiyama never performed a gastric operation or removed a stomach, There is nothing unusual about a brain or stomach operation. (?) |
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Statement of Ishiyama (15 July 1946) 54, a Buddhist, chief surgeon, of the 1st Surgical Institute, has been with the hospital 5 years., graduated from KIU in 1916, served as a surgeon until 1928 (?). Ishiyama had been experimenting on causes for the growth of gall stones for 10 years, experimenting on metastase (cancer of the stomach) for 6 years, experimenting on corpuscles of the lung, epilepsy, sea water substitute, the transfusion of (different types of blood to another person. 20 years previously, Ishiyama experimented on the leaking of the gall from the bladder, then studied microscopically the chemical analysis, X-ray analysis and spectrum of the gall stone, comparing the Japanese, Korean, Taiwan, Siamese, Chinese, Malayan, Free Indo-Chinese and German gall stones, which he gathered. Dr. Mori of Kagoshima gathered gall stones at Inod-China, Malay, Siam and Free Indo-China. Dr. Mori, Toshio Ilidemura, Morinoba Mukail and Nango assisted Ishiyama. Cancer of the stomach will recurr even when the stomach is removed so Ishiyama experimented as to how much of the lymph glandulae should be cut out since the root of cancer rests in the Lymph Glandulae of the stomach, appears on the net of the stomach so has experimented as to how much of the net must be removed. Drs. Hirao, Wada, Koga and Shizu assisted in these operations. After various operations the patients condition becomes difficult; one reason is pneumonia, another is due to collapsus of the lung. Ishiyama studied to see where the germs lay in the collapsus. Other reasons for difficulty are the lung nerves and spinal cord nerves becoming paralyzed. Masuda assisted Ishiyama in these experiments. The 2 types of epilepsy are Jackson and Genuine. Ishiyama experimented to change the method of operating in Genuine— to remove 50 grams of brains from the frontal Lobektomie, either from the right or left or both, but epilepsy will still remain. Ishiyama then cut the Caklcsum of the brain, comparing the 2 methods. Ishiyama now has 50 patients of each type. Dr. Tadao Tamura and Dr. Nobukichi Nogawa assisted in these. Ishiyama has experimented with the different types of blood in transfusion, resulting in blood clogging, which Ishiyama tried to prevent by diluting the blood with saline or Ringer solution. The use of sea water on dogs and rabbits was successful, began to use it diluted 4 parts with agua distillate in February 1945 on humans. It raises the blood pressure. Ishiyama's first patient to die where it was used was on 20 June, a bomb victim, died of burns. Hirao was in charge of administering this sea water to humans, injected this solution. Ishiyama never used sea water except on Japanese nationals.
ISHIYAMA -2- Komori telephoned Ishiyama about 10 May from WAH that he had a B-29 flyer who appeared to be bleeding from the lung, thought the Prisoner should be operated on immediately and asked if he could bring him to the University; Ishiyama told Komori Japanese patients were very bitter toward America, but said he would go to WAH. Komori said he didn’t have the necessary surgical equipment, hung up. Ishiyama then telephoned Hirako and told him they were going to borrow the autopsy lab in which Komori was going to bring a PW. Ishiyama sterilized the necessary equipment, and Ishiyama, Hirao, Torisu and Tsutsui carried the equipment to the autopsy lab. They arrived about 1500, made preparations, and awaited Komori. The Prisoner was brought in and they washed, put on robes. The PW was helped by 2 soldiers since he was drugged with morphine; he was laid on the operating table, appeared anemic due to lack of blood, and his breath was short and rapid. Ishiyama applied a stethoscope to the right lung, couldn't hear any sound, so decided the blood was clogged in the cavit of the pleura as Komori had stated. If they didn’t operate he would die, might live if they operated. Ishiyama believes Hirao applied the other mask on the patient, made an incision on the breast, removed the right 3rd rib. The incision was then spread apart with a Haken; Ishiyama examined the lung and pleura, discovered the blood was clogged in the pleura so he removed the clogged blood with gauze— there ware about 300 ccs of blood clogged there. Ishiyama could find no scratches, scars, or wounds on the lung. This examination lasted about 30 minutes; the patient’s pulse be came weak. Torisu injected 300 ccs of serum, Ishiyama believes seawater. The operation was then stopped, Ishiyama sewed up the incision, noticing for the 1st time that Sato and a major were present. The patient got worse; Ishiyama injected a dose of intracardial into the heart, but the patient died. Komori then stated there was another PW there whom he thought had a bullet in his lung, that since he couldn’t perform a lung operation in the army hospital he would like Ishiyama to operate and show him how to do it. Since Ishiyama was there at the autopsy room and the army was represented Ishiyama could not refuse (?) Komori was the chief surgeon; Hirao and Ishiyama were assistants. Komori made an incision as in the first operation, spread it with a Haken, placed his hand on the lung, couldn’t find any bullets or wounds; Ishiyama tried, was unsuccessful. Komori started to sew the incision, but the incision was big, the pulse became weak, the patient's breath rapid, Torisu gave seawater injection, he thinks, but about 30 minutes later he died. Komori did close the incision. The officers left, Miki gathered the equipment, and she, Tsutsui, Torisu, Hirao and Ishiyama went back. The 2 bodies were taken by 2 autopsy section helpers to the crematory. Other operations were held there in June, were unknown except to those present. Some students in September claimed they witnessed am operation. Ishiyama received 2 anonymous letters, one in English, one in Japanese in the same envelope, charging Ishiyama with experimenting with seawater on PWs causing their deaths. Ishiyama believes Hirao reported to Ishiyama that he overheard students talking about the operation in September. Ishiyama recalls seeing Hirako at the 1st 2 operations. Miki was not there for all the operations, but was present in the room one time or another. ISHIYAMA -3- Morimoto was still in the army returned about August. Ishiyama believes Aihara was at the 2nd operation. Major Yakumaru was the person present at the first. At the first operation, Ishiyama believes Miki passed the equipment, Tsutsui felt the patient's pulse, brought the ether from another table, helped when she was needed; Hirao was Ishiyama's assistant, stood next to Komori, wiped the clogged blood from the patient, held the Haken to spread the incision. Torisu was responsible for ether and handled the ether nozzle. Komori handled the ligatur which prevents the blood from bleeding unnecessarily, handled the Pincett when Ishiyama made the incision, stood across from Ishiyama, Hirako was an observer, doesn't think he was there throughout. Torisu injected the seawater. In the 2nd operation Tsutsui did the same as the first, Miki passed the surgical equipment, Torisu didn't handle the ether nozzle, Hirao did the same as at the first, he believes Torisu injected Saline and Ringer solution; sea water wasn't used on the 2nd person. |
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Statement of Ishiyama (unexecuted, taken by Daty on 16-17 July) At 10 May Komori brought 3 Prisoners, said the other 2 were to be operated on, to which Ishiyama agreed. Torisu, Hirao and Tsutsui were there when he met Komori, who stated that he had permission from Yokoyama and the man in charge of PWs; Ishiyama asked Sato about this when he entered. He said it would be alright to operate since the WA CG had given permission to do so. In November 1945 Ishiyama learned for the first time that these PWs were members of the group that were executed in June or July 1945 from Sato, who said it must be kept quiet, that the PWs brought to the University were not:included in the 34 he said were executed. Ishiyama stated he must report these operations to Macarthur, but Sato dissuaded him, stating the PWs were listed as having been sent to Hiroshima. Ishiyama met Sato twice after the war, the first time about the first of September when Sato expressed his appreciation for Ishiyama’s help! during the war. Ishiyama then changes the date of his 2nd meeting at Dr. Tanamachi's home from November to 12-13 October 1945. Sato said that the army had nothing to do with the disposal of the body. Ishiyama said it must have been disposed of at the crematory. (Singular ?) The 3 went to a restaurant. In January a SGAP directive asked for reports of all patients outside of Japanese who were treated in Japanese hospitals. Ishiyama discussed the matter of the PWs with Ryotei Nakajima, director of KIU Hospital and Seichi Jinnaka, assistant director of the hospital. Ishiyama said he wanted to report the PWs, Nakajima and Jinnaka asked what WA said about them; Ishiyama stated that it had been arranged by WA to have the PWs reported as having been sent to Hiroshima; Jinnaka and Nakajima told Ishiyama then not to turn in a report. The bodies of the PWs were cremated at the hospital and the bones and ashes are in a vault in the pathology building. In May and June, Ishiyama had no objective other than saving the lives of the PWs, and only after war did he realize there was another objective. In the case of the PW who was supposed to have a bullet in his lung, there was a mark which indicated that a bullet had gone through the body between ISHIYAMA -4- the 2nd and 3rd rib; the hole was the size of a thumb, was already healed, was not bandaged; the wound was about 2 weeks old. Nothing was wrong with this patient except that he was nervous. They did not take his temperature; Ishiyama doesn’t know whethere he had a fever. Doctors at the PW operations: Mori - at 1st series. Koga - no Nogawa - No Senba - at 1st series Komori was a medical student of Ishiyama around 1928, graduated and served under Ishiyama until 1935, then worked at Wakamatsu Isolation Hospital, then lukuoka Miyagi Hospital, entered army, stationed at Beppu, transferred to the Fukuoka Hospital in 1944. In June 1945 he was wounded in the leg in an air raid; Ishiyama amputated the leg, but he subsequently died. At his death bed Komori Stated that it was orders from higher officials that made him bring the PWs to the University to be operated on and therefore called Ishiyama be phone to notify him that he was bringing them to the University. ”He then recalled that he had refused me. He stated that he had injected some seawater as Ishiyama suggested but the patient turned to the worse so he brought the PW to the Anatomy .Ward, said he was sorry he caused Ishiyama so much trouble. Present at Komori’s death were Sato, Yakumaru, Torisu, Tsutsui, and another soldier. Ishiyama ’’used to visit” WA for 2 years to instruct young medical officers operative techniques and use of injections, including seawater. This was as a result of a request throughout Japan of Lt. General Kambayashi of Tokyo. Ishiyama knew the following WA medical officers: Horiuchi, Komori, Tsurumaru, and Morotani. Shortly after the operations, in June, "We were called” to the WA Club by Sato and Komori. They were told not to mention the operations. Present also were Torisu and Hirao. Ishiyama later instructed Tsutsui. Ishiyama was not ordered, but asked to perform the operation. Ishiyama refused Komori’s request to operate since he was only a PO, but since Sato was at the operation Ishiyama figured he represented the army. According to the doctor’s oath, Ishiyama cannot refuse to treat a patient, so he could not refuse to operate the 2nd time Komori brought PWs. There were no written orders from army officials. Ishiyama never performed a gastric operation or removed a stomach, There is nothing unusual about a brain or stomach operation. (?) |
This book documents the legal proceedings of the December 1949 Khabarovsk trial in which twelve members of the Japanese Army's covert biological warfare Unit 731 were prosecuted for their war crimes. The trial sought to hold key leaders in Japan's bio-weapons program accountable for atrocities after WWII.