Datasets

Germ Cell Tumours of the Testis – Orchidectomy

Scope

The dataset has been developed for the reporting of both partial and radical orchidectomy specimens from patients of any age with germ cell neoplasia of the testis. The dataset does not apply to sex cord-stromal tumours of the testis or to extra-gonadal germ cell tumours. The former have different criteria for malignancy from germ cell tumours, and the latter have an entirely separate staging system dependent on location. Sex cord stromal tumours are complex, with some types being entirely benign while others can be malignant. They are therefore too complex to include within this germ cell tumour focussed proforma. Paratesticular malignancies are also excluded for similar reasons. This dataset does not include information on the excision of residual metastatic masses after chemotherapy. A separate ICCR dataset is available for the reporting of retroperitoneal lymphadenectomy specimens.

For bilateral tumours, complete a separate dataset for each tumour.

Publication History

2nd edition – November 2024

Updated following the publication of the 2022 World Health Organization (WHO) Classification of Urinary and Male Genital Tumours, 5th edition.

This 2nd edition dataset was developed with the kind support of the International Society of Urological Pathology (ISUP).

SUMMARY OF CHANGES

• Changed the title of the guide from ‘Neoplasia of the testis’ to ‘Germ cell tumours of the testis’.
• Revised guide to harmonise with ICCR style for element titles and value list.
• Revised scope for clarity and to harmonise with ICCR style.
• Updated the ‘Clinical information’ element.
• Renamed ‘Intratubular lesions’ to ‘In situ intratubular lesions’.
• Revised guide to include ‘Representative blocks for ancillary studies’.
• Updated the ‘Pathological staging’ element to UICC TNM8 staging.
• Other minor updates to elements were also included.
• Revised all notes, including incorporation of the 2022 World Health Organization Classification of Urinary and Male Genital Tumours, 5th edition.

  • To reference this dataset please use the following citation: Berney D, Bremmer F, Daugaard G, Idrees M, Hamilton R, Kao CS, Kosuke K, Raspollini MR, Tickoo S, Yilmaz A, Srigley JR (2024). Germ Cell Tumours of the Testis Histopathology Reporting Guide Orchidectomy. 2nd edition. International Collaboration on Cancer Reporting; Sydney, Australia. ISBN: 978-1-922324-58-0.

1st edition – August 2017

  • To reference this dataset please use the following citation: Berney DM, Comperat E, Feldman DR, Hamilton RJ, Idrees MT, Samaratunga H, Tickoo SK, Yilmaz A, Srigley JR (2017). Neoplasia of the Testis, Orchidectomy Histopathology Reporting Guide. 1st edition. International Collaboration on Cancer Reporting; Sydney, Australia. ISBN: 978-1-925687-07-1.
  • Read more on the  Neoplasia of the testis, orchidectomy dataset from the journal article written by the dataset authors: Datasets for the reporting of neoplasia of the testis: recommendations from the International Collaboration on Cancer Reporting.Berney DM, Comperat E, Feldman DR, Hamilton RJ, Idrees MT, Samaratunga H, Tickoo SK, Yilmaz A, Srigley JR. Histopathology. 2019 Jan;74(1):171-183. doi: 10.1111/his.13736.

Expert Committee

The 2nd edition of the dataset for Germ cell tumours of the testis – Orchidectomy was developed by the following international team:

  • Chair – Daniel Berney, UK
  • Series Champion and ICCR representative – John R Srigley, Canada

Domain experts:

  • Felix Bremmer, Germany
  • Gedske Daugaard, Denmark
  • Muhammad Idrees, USA
  • Robert Hamilton, Canada
  • Chia-Sui Kao, USA
  • Kosuke Miyai, Japan
  • Maria Rosaria Raspollini, Italy
  • Satish Tickoo, USA
  • Asli Yilmaz, Canada

Authors of previous edition of this dataset are available here.

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