Departments & Centers

Anatomic Pathology

We offer anatomic pathology services (histological diagnosis, cytology and autopsy) of entire organ systems. Pathologists, histo/cytotechnologists and administrative staff work together to provide accurate diagnosis in a prompt manner by using various methods ranging from morphology to new molecular pathologic methods; thereby assisting in determining the treatment plans for a wide variety of patients.

Highlights of the department

  • By reimagining traditional workflows and employing state-of-the-art equipment, we deliver faster specimen preparation and diagnostic reporting, enhancing the quality of medical care.
  • Pathologists with expertise in various organ systems deliver high-quality diagnoses. To ensure the accuracy of our diagnoses, specimens are reviewed and signed off by multiple pathologists.
  • Molecular diagnosis is available using various techniques ranging from immunohistochemistry (IHC), in situ hybridization (ISH), real-time polymerase chain reaction (PCR), multiplex ligation-dependent probe amplification (MLPA), and next-generation sequencing technology.
  • Digital image analysis tools are employed to support diagnostics. Our department is involved in the research and development of the system, utilizing artificial intelligence and deep learning methodologies.
  • The department develops a diagnostic and consulting network connecting IUHW hospitals and other top institutions, utilizing whole-slide image (WSI) data.

Additional services

  • Offers diagnosis and consultation services at the International Remote Diagnostic Center, mainly for Asian countries.
  • Molecular diagnosis is offered in coordination with IUHW Institute of Medical Genomics.

Clinical indictors

Number of histology and cytology

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Narita Hospital External facilities (**)
Histology Cytology Autopsy Histology Cytology
Total
Number		 Frozen section
diagnosis		 Total
Number		 Rapid
diagnosis		 ROSE
(*)		 Domestic Overseas Domestic Overseas
FY2020 3130 140 2763 64 66 3 0 394 0 460
FY2021 5924 271 5404 73 78 14 0 331 0 386
FY2022 7612 294 6623 73 74 26 971 643 0 874
FY2023 8140 349 7505 65 69 22 1355 442 0 616

* ROSE (Rapid on-site evaluation)
** Remote pathology diagnosis through digital pathology

Histology turnaround time (TAT)

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Specimen preparation TAT (*) Initial diagnosis TAT (**) Final diagnosis TAT (***)
Biopsy Surgery Biopsy Surgery Biopsy Surgery
FY2020 0.8 1.3 1 1.4 1.4 1.7
FY2021 0.8 1.3 0.8 1.5 1.3 2.2
FY2022 0.8 1.2 0.8 1.4 1 1.5
FY2023 0.8 1.2 1.1 1.6 1.6 2.6

* Days from receipt to specimen preparation (WSI scanning)
** Days from receipt to initial diagnosis
*** Days from receipt to final diagnosis