Hiroaki Takahashi, M.D., Ph.D.

  1. Nuclear Medicine Specialist
  2. Radiologist
  1. Kuanar S, Cai J, Nakai H, Nagayama H, Takahashi H, LeGout J, Kawashima A, Froemming A, Mynderse L, Dora C, Humphreys M, Klug J, Korfiatis P, Erickson B, Takahashi N. Transition-zone PSA-density calculated from MRI deep learning prostate zonal segmentation model for prediction of clinically significant prostate cancer. Abdom Radiol (NY). 2024 Jun 19 Epub 2024 June 19
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  2. Nakai H, Takahashi H, Adamo DA, LeGout JD, Kawashima A, Thomas JV, Froemming AT, Kuanar S, Lomas DJ, Humphreys MR, Dora C, Takahashi N. Decreased prostate MRI cancer detection rate due to moderate to severe susceptibility artifacts from hip prosthesis. Eur Radiol. 2024 May; 34 (5):3387-3399 Epub 2023 Oct 27
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  3. Takahashi H, Inoue A, Tanaka T, Sato Y, Potretzke TA, Masuoka S, Takahashi N, Minami M, Kawashima A. Imaging of Perirenal and Intrarenal Lymphatic Vessels: Anatomy-based Approach. Radiographics. 2024 Mar; 44 (3):e230065
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  4. Nagayama H, Nakai H, Takahashi H, Froemming AT, Kawashima A, Bolan CW, Adamo DA, Carter RE, Fazzio RT, Tsuji S, Lomas DJ, Mynderse LA, Humphreys MR, Dora C, Takahashi N. Cancer Detection Rate and Abnormal Interpretation Rate of Prostate MRI Performed for Clinical Suspicion of Prostate Cancer. J Am Coll Radiol. 2024 Mar; 21 (3):398-408 Epub 2023 Oct 10
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  5. Nakai H, Nagayama H, Takahashi H, Froemming AT, Kawashima A, Bolan CW, Adamo DA, Carter RE, Fazzio RT, Tsuji S, Lomas DJ, Mynderse LA, Humphreys MR, Dora C, Takahashi N. Cancer Detection Rate and Abnormal Interpretation Rate of Prostate MRI in Patients With Low-Grade Cancer. J Am Coll Radiol. 2024 Mar; 21 (3):387-397 Epub 2023 Oct 12
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  6. Bartlett DJ, Takahashi H, Bach CR, Lunn B, Thorpe MP, Broski SM, Packard AT, Fletcher JG, Navin PJ. Potential applications of PET/MRI in non-oncologic conditions within the abdomen and pelvis. Abdom Radiol (NY). 2023 Dec; 48 (12):3624-3633 Epub 2023 May 05
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  7. Zhang C, Gudmundsdottir H, Takahashi H, Day C, Glasgow A, Wasif N, Starlinger P, Warner S, Grotz T, Smoot R, Truty M, Cleary S, Kendrick M, Nagorney D, Navin P, Halfdanarson TR, Thiels C. Accuracy of DOTATATE PET imaging in the preoperative planning of small bowel neuroendocrine tumor resection. J Surg Oncol. 2023 Dec; 128 (7):1072-1079 Epub 2023 Aug 02
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  8. Iizumi T, Okumura T, Hasegawa N, Ishige K, Fukuda K, Seo E, Makishima H, Niitsu H, Takahashi M, Sekino Y, Takahashi H, Takizawa D, Oshiro Y, Baba K, Murakami M, Saito T, Numajiri H, Mizumoto M, Nakai K, Sakurai H. Proton beam therapy for hepatocellular carcinoma with bile duct invasion. BMC Gastroenterol. 2023 Aug 3; 23 (1):267 Epub 2023 Aug 03
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  9. Janssens LP, Takahashi H, Nagayama H, Nugen F, Bamlet WR, Oberg AL, Fuemmeler E, Goenka AH, Erickson BJ, Takahashi N, Majumder S. Artificial intelligence assisted whole organ pancreatic fat estimation on magnetic resonance imaging and correlation with pancreas attenuation on computed tomography. Pancreatology. 2023 Aug; 23 (5):556-562 Epub 2023 Apr 26
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  10. Ashkar M, Chandra S, Vege SS, Takahashi H, Takahashi N, McWilliams RR. Pancreatic involvement due to immune checkpoint inhibitors: a proposed classification. Cancer Immunol Immunother. 2023 Apr; 72 (4):895-901 Epub 2022 Sept 26
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  11. Kozaka K, Takahashi H, Inoue A, Graham RPD, Boyum JH, Heiken JP, Takahashi N. Mucinous cystic neoplasms of the liver with biliary prolapse. Jpn J Radiol. 2023 Apr; 41 (4):409-416 Epub 2022 Nov 19
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  12. Inoue A, Voss BA, Lee NJ, Takahashi H, Kozaka K, Heiken JP, Ehman EC, Vasconcelos R, Fidler JL, Lee YS, Mileto A, Johnson MP, Baer-Beck M, Weber NM, Michalak GJ, Halaweish A, Carter RE, McCollough CH, Fletcher JG. Diagnostic Performance in Low- and High-Contrast Tasks of an Image-Based Denoising Algorithm Applied to Radiation Dose-Reduced Multiphase Abdominal CT Examinations. AJR Am J Roentgenol. 2023 Jan; 220(1):73-85. Epub 2022 Jun 22.
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  13. Takahashi H, Potretzke TA, Kawashima A, Cheville JC, Masuoka S, Kim B. Imaging of the Bulbourethral (Cowper) Gland: Abnormalities and Differential Diagnosis. Radiographics. 2022 Nov-Dec; 42 (7):2037-2053 Epub 2022 Sept 23
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  14. Inoue A, Uemura R, Takaki K, Sonoda A, Ota S, Nitta N, Batsaikhan B, Takahashi H, Watanabe Y. Clinical impact of low tube voltage computed tomography during hepatic arteriography with low iodine to detect hepatocellular carcinoma before transarterial chemoembolization. Eur J Radiol. 2022 Sep; 154:110420 Epub 2022 June 22
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  15. Horibe M, Takahashi N, Weston AD, Philbrick K, Yamamoto S, Takahashi H, Vege SS. Association between computerized tomography (CT) study of body composition and severity of acute pancreatitis: Use of a novel Z-score supports obesity paradox. Clin Nutr. 2022 Aug; 41 (8):1676-1679 Epub 2022 June 18
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  16. Mohammadinejad P, Khandelwal A, Inoue A, Takahashi H, Yalon M, Long Z, Halaweish AF, Leng S, Yu L, Lee YS, McCollough CH, Fletcher JG. Utility of an automatic adaptive iterative metal artifact reduction AiMAR algorithm in improving CT imaging of patients with hip prostheses evaluated for suspected bladder malignancy. Abdom Radiol (NY). 2022 Jun; 47 (6):2158-2167 Epub 2022 Mar 23
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  17. Inoue A, Takahashi H, Ibe T, Ishii H, Kurata Y, Ishizuka Y, Batsaikhan B, Hamamoto Y. Application of the advanced lung cancer inflammation index for patients with coronavirus disease 2019 pneumonia: Combined risk prediction model with advanced lung cancer inflammation index, computed tomography and chest radiograph. Exp Ther Med. 2022 Jun; 23 (6):388 Epub 2022 Apr 12
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  18. Inoue A, Takahashi H, Ibe T, Ishii H, Kurata Y, Ishizuka Y, Hamamoto Y. Comparison of semiquantitative chest CT scoring systems to estimate severity in coronavirus disease 2019 (COVID-19) pneumonia. Eur Radiol. 2022 May; 32 (5):3513-3524 Epub 2022 Jan 12
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  19. Takahashi H, Sasaguri K, Inoue A, Takeuchi M, Boorjian SA, Jimenez RE, Kawashima A, Takahashi N. CT findings and diagnostic performance of upper urinary tract carcinoma in situ. Eur Radiol. 2022 May; 32 (5):3269-3279 Epub 2022 Jan 22
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  20. Laurens Janssens, Eric Fuemmeler, Hiroaki Takahashi, Hiroki Nagayama, Karen Doering, Bradley Erickson, Ajit H Goenka, Naoki Takahashi, Shounak Majumder. 1122: PANCREATIC FAT ESTIMATION ON MAGNETIC RESONANCE IMAGING USING A CONVOLUTIONAL NEURAL NETWORK FOR WHOLE PANCREAS SEGMENTATION AND CORRELATION WITH PANCREAS ATTENUATION ON COMPUTED TOMOGRAPHY Gastroenterology. 2022; 162(7):S-260.
  21. Mori K, Obata-Yasuoka M, Saida T, Nishida K, Takahashi H, Hosokawa Y, Takei Y, Tsumagari A, Yoshida M, Kimura Y, Abe T, Tsukuda Y, Harada S, Kojima T, Minami M. Pelvic arterial embolisation with cyanoacrylate during caesarean hysterectomy for placenta accreta. Minim Invasive Ther Allied Technol. 2022 Mar; 31 (3):396-403 Epub 2020 Sept 09
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  22. Takahashi H, Yoshida K, Kawashima A, Lee NJ, Froemming AT, Adamo DA, Khandelwal A, Bolan CW, Heller MT, Hartman RP, Kim B, Philbrick KA, Carter RE, Mynderse LA, Humphreys MR, Cai JC, Takahashi N. Impact of measurement method on interobserver variability of apparent diffusion coefficient of lesions in prostate MRI. PLoS One. 2022; 17 (5):e0268829 Epub 2022 May 23
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  23. Masuoka S, Miyazaki O, Takahashi H, Tsutsumi Y, Hiyama T, Kitamura M, Okamoto R, Miyasaka M, Minami M, Nosaka S. Predisposing conditions for bacterial meningitis in children: what radiologists need to know. Jpn J Radiol. 2022 Jan; 40 (1):1-18 Epub 2021 Aug 25
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  24. Gong H, Hsieh SS, Holmes DR 3rd, Cook DA, Inoue A, Bartlett DJ, Baffour F, Takahashi H, Leng S, Yu L, McCollough CH, Fletcher JG. An interactive eye-tracking system for measuring radiologists' visual fixations in volumetric CT images: Implementation and initial eye-tracking accuracy validation. Med Phys. 2021 Nov; 48 (11):6710-6723 Epub 2021 Oct 06
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  25. Takahashi H, Vikram R, Jimenez RE, Bolan CW, Kawashima A, Karam JA, Takahashi N. MR characteristics of mucinous tubular and spindle cell carcinoma (MTSCC) of the kidney: comparison with clear cell and papillary subtypes of renal cell carcinoma. Abdom Radiol (NY). 2021 Nov; 46 (11):5250-5259 Epub 2021 Aug 02
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  26. Inoue A, Nitta N, Imai Y, Takaki K, Takahashi H, Ota S, Mukaisho KI, Watanabe Y. Effect of Portal Vein and Hepatic Artery Occlusion on Radiofrequency Ablation: Animal Experiment Comparing MR and Histology Measurements of the Ablation Zones. Cardiovasc Intervent Radiol. 2021 Nov; 44 (11):1790-1797 Epub 2021 July 06
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  27. Schroeder DG, Jang S, Johnson DR, Takahashi H, Navin PJ, Broski SM, Thorpe MP, Johnson GB, Young JR. Frequency and Characteristics of Nodal and Deltoid FDG and (11)C-Choline Uptake on PET Performed After COVID-19 Vaccination. AJR Am J Roentgenol. 2021 Nov; 217 (5):1206-1216 Epub 2021 May 19
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  28. Iizumi T, Okumura T, Sekino Y, Takahashi H, Tsai YL, Takizawa D, Ishida T, Hiroshima Y, Nakamura M, Shimizu S, Saito T, Numajiri H, Mizumoto M, Nakai K, Sakurai H. Long-term clinical outcomes of patients receiving proton beam therapy for caudate lobe hepatocellular carcinoma. J Radiat Res. 2021 Jul 10; 62 (4):682-687
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  29. Yoshida M, Takahashi H, Yamaki Y, Chiba F, Mori K. Successful transcatheter arterial embolization for ruptured adrenocortical tumor in a pediatric patient. Radiol Case Rep. 2021 Apr; 16 (4):979-982 Epub 2021 Feb 16
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  30. Takahashi H, Froemming AT, Bruining DH, Karnes RJ, Jimenez RE, Takahashi N. Prostate MRI characteristics in patients with inflammatory bowel disease. Eur J Radiol. 2021 Feb; 135:109503 Epub 2021 Jan 05
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  31. Takahashi H, Kawashima A, Inoue A, Kozaka K, Potretzke TA, Froemming AT, Boorjian SA, Humphreys MR, Takahashi N. Hemosiderin deposition in papillary renal cell carcinoma and its potential to mask enhancement on MRI: analysis of 110 cases. Eur Radiol. 2020 Nov; 30 (11):6033-6041 Epub 2020 June 09
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  32. S Gandhi, H Takahashi, LP Janssens, WS Harmsen, FJ Couch, DJ Rhodes, GM Petersen, N Takahashi, S Majumder. Pancreatic Imaging Abnormalities Are More Frequent in BRCA Mutation Carriers Compared to Age-matched Mutation Negative Controls Pancreas. 2020; 49(10):1409.
  33. Masuoka S, Nasu K, Takahashi H, Kitao A, Sakai M, Ishiguro T, Saida T, Minami M. Impaired lesion detectability on gadoxetic acid-enhanced MR imaging in indocyanine green excretory defect: case series of three patients. Jpn J Radiol. 2020 Oct; 38 (10):997-1003 Epub 2020 May 27
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  34. Mori K, Saida T, Hoshiai S, Shibuya Y, Obata-Yasuoka M, Ishiguro T, Takahashi H, Hamada H, Sato T, Minami M. High prevalence of intrapelvic parasitic arteries in patients with placenta accreta spectrum: A case-control study using unenhanced magnetic resonance angiography. Clin Imaging. 2020 Jul; 63:50-56 Epub 2020 Feb 27
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  35. Sakai M, Hiyama T, Kuno H, Mori K, Saida T, Ishiguro T, Takahashi H, Koyama K, Minami M. Thoracic abnormal air collections in patients in the intensive care unit: radiograph findings correlated with CT. Insights Imaging. 2020 Mar 12; 11 (1):35
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  36. Hosokawa T, Yamada Y, Takahashi H, Tanami Y, Sato Y, Hosokawa M, Oguma E. Size of the Tonsil on Ultrasound in Children Without Tonsil-Associated Symptoms. Ultrasound Q. 2020 Mar; 36 (1):24-31
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  37. Takahashi H, Sekino Y, Mori K, Okumura T, Nasu K, Fukuda K, Masuoka S, Iizumi T, Hasegawa N, Sakurai H, Minami M. Indicator for local recurrence of hepatocellular carcinoma after proton beam therapy: analysis of attenuation difference between the irradiated tumor and liver parenchyma on contrast enhancement CT. Br J Radiol. 2020 Jan; 93 (1105):20190375 Epub 2019 Nov 07
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  38. Takahashi H, Hara T, Suzuki H, Hashimoto R, Minami M. FDG-PET/CT Demonstrates Splenic Angiosarcoma Bone Marrow Metastasis. Clin Nucl Med. 2020 Jan; 45 (1):e20-e23
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  39. Hosokawa T, Takahashi H, Tanami Y, Sato Y, Ishimaru T, Tanaka Y, Kawashima H, Oguma E, Yamada Y. Diagnostic Accuracy of Ultrasound for the Directionality of Testicular Rotation and the Degree of Spermatic Cord Twist in Pediatric Patients With Testicular Torsion. J Ultrasound Med. 2020 Jan; 39 (1):119-126 Epub 2019 July 03
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  40. Hosokawa T, Takahashi H, Miyasaka Y, Ohira K, Tanami Y, Sato Y, Ishimaru T, Kawashima H, Hosokawa M, Oguma E, Yamada Y. Ultrasound Evaluation of Dermal Sinuses/Fistulas in Pediatric Patients. J Ultrasound Med. 2019 Dec; 38 (12):3107-3122 Epub 2019 May 07
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  41. Hosokawa T, Yamada Y, Takahashi H, Tanami Y, Sato Y, Ishimaru T, Tanaka Y, Kawashima H, Hosokawa M, Oguma E. Postnatal Ultrasound to Determine the Surgical Strategy for Congenital Diaphragmatic Hernia. J Ultrasound Med. 2019 Sep; 38 (9):2347-2358 Epub 2019 Jan 16
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  42. Hosokawa T, Takahashi H, Tanami Y, Sato Y, Hosokawa M, Kato R, Kawashima H, Oguma E. Usefulness of Ultrasound in Evaluating the Diaphragm in Neonates and Infants With Congenital Diaphragmatic Hernias. J Ultrasound Med. 2019 Apr; 38 (4):1109-1113 Epub 2018 Oct 22
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  43. Saida T, Sakata A, Tanaka YO, Ochi H, Ishiguro T, Sakai M, Takahashi H, Satoh T, Minami M. Clinical and MRI Characteristics of Uterine Cervical Adenocarcinoma: Its Variants and Mimics. Korean J Radiol. 2019 Mar; 20 (3):364-377
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  44. Takahashi H, Kiyoshima M, Kaburagi T, Hoshiai S, Mori K, Koyama K, Iijima T, Ishiguro T, Hosokawa T, Minami M. Influence of radiologic expertise in detecting lung tumors on chest radiographs. Diagn Interv Imaging. 2019 Feb; 100 (2):95-107 Epub 2018 Sept 25
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  45. Hosokawa T, Takahashi H, Tanami Y, Sato Y, Hosokawa M, Oguma E. Detection of Intestinal Pneumatosis Location by Following Hyperechoic Foci in the Portal Vein Along Its Branches With Real-time Ultrasound. J Ultrasound Med. 2019 Feb; 38 (2):533-538 Epub 2018 July 26
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  46. Takahashi H, Mori K, Sekino Y, Okumura T, Hiyama T, Fukuda K, Hasegawa N, Sakai M, Kikuchi S, Takei Y, Iizumi T, Sakurai H, Minami M. Angiographic Findings in Patients with Hepatocellular Carcinoma Previously Treated Using Proton Beam Therapy. J Oncol. 2019; 2019:3580379 Epub 2019 July 04
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  47. Hosokawa T, Takahashi H, Tanami Y, Sato Y, Tanaka Y, Kawashima H, Hosokawa M, Oguma E, Yamada Y. Comparison Between the Pouch-Perineum Distance in Neonates With a Low-Type Anorectal Malformation With and Without an Opened Fistula: Pitfall of Measuring the Pouch-Perineum Distance on Sonography. J Ultrasound Med. 2018 Dec; 37 (12):2797-2802 Epub 2018 Apr 09
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  48. Hosokawa T, Yamada Y, Takahashi H, Tanami Y, Sato Y, Hosokawa M, Oguma E. Optimal Timing of the First Barium Swallow Examination for Diagnosis of Pyriform Sinus Fistula. AJR Am J Roentgenol. 2018 Nov; 211 (5):1122-1127 Epub 2018 Sept 21
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  49. Takahashi H, Masuoka S, Nasu K, Mori K, Kojima T, Fukuda K, Takahashi K, Ishiguro T, Hosokawa T, Minami M. Sorafenib-induced Prostate Volume Reduction, a New Adverse Effect Detected by Imaging: A Pilot Study. J Belg Soc Radiol. 2018 Oct 26; 102 (1):69
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  50. Hosokawa T, Hosokawa M, Tanami Y, Takahashi H, Hattori S, Sato Y, Tanaka Y, Kawashima H, Oguma E, Yamada Y. Distance Between the Distal Rectal Pouch and Perineum in Neonates of Low-Birth Weight With Imperforate Anus. Ultrasound Q. 2018 Mar; 34 (1):18-22
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  51. T Hosokawa, H Takahashi, Y Tanami, Y Sato, E Oguma. Syndromic/chromosomal disorders associated with anorectal malformation (ARM): Which anomalies do pediatric radiologists and surgeons need to focus on before surgical repair and during follow-up? European Congress of Radiology-ECR 2018. 2017.
  52. Hosokawa T, Yamada Y, Takahashi H, Sato Y, Tanami Y, Suzuki K, Kawashima H, Oguma E. Congenital dermoid fistulas of the anterior chest region (CDFACR): usefulness of sonography for complete resection. Radiol Case Rep. 2017 Sep; 12 (3):628-631 Epub 2017 July 04
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  53. Hoshiai S, Sato M, Koyama K, Takahashi H, Ogoshi Y, Iijima T, Minami M. Relapsed multiple myeloma presenting as nodular hepatic lesions Japanese Journal of Clinical Radiology. 2017.
  54. Takahashi H, Minami M, Masumoto T, Hiyama T, Kujiraoka Y, Nakamagoe M, Minami Y.. Adult-Onset Hyperplasia of An Ectopic Cervical Thymus Associated with Uncontrolled Hyperthyroidism: A Case Report Iranian Journal of Radiology. 2016.
  55. Takahashi H, Nasu K, Minami M, Kojima T, Nishiyama H, Ishiguro T, Konishi T. Organ Atrophy Induced by Sorafenib and Sunitinib - Quantitative Computed Tomography (CT) Evaluation of the Pancreas, Thyroid Gland and Spleen. Pol J Radiol. 2016; 81:557-565 Epub 2016 Nov 22
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  56. Takahashi H, Mori T, Hirota N. Acute spontaneous spinal subdural hematoma in the cervical spine EURORAD. 2015.
  57. Watanabe R, Takahashi H, Kono A, Ito Y, Hirabayashi D, Yamamoto M, Morisaki A, Koyama H. A Case of Uterine Arteriovenous Malformation with Massive Genital Bleeding Kanagawa journal of obstetrics and gynecology. 2014.
  58. Mori T, Matsusita H, Takahasi H, Iida H, Kato K, Yukawa T, Fujiki Y, Namiki T, Numata Y, Nishio K. [Case report; a case of hereditary angioedema with laryngeal edema leading to suffocation]. Nihon Naika Gakkai Zasshi. 2013 Oct 10; 102 (10):2685-7
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