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Lymph Node Specimen — Specimens

This example follows the ICCR-oriented model, where the sentinel lymph node biopsy is reported as a standalone document. In German clinical practice, the SLN report is usually integrated into the breast specimen report under a single accession number (see Clinical Context — Lymph node reporting for details on both approaches). An integrated report example combining both breast and lymph node findings is available under Integrated Report (BET + SLN).

The sentinel lymph node biopsy specimen comprises 7 specimen instances in a three-level hierarchy: part → paraffin blocks → slides. No immunohistochemistry is performed on the lymph node specimen (biomarkers are determined on the primary tumour).

Part

Instance	Description
LymphNodeSpecimenPart	Sentinel lymph node excision specimen, left axilla, 2 SLN identified (patent blue dye), fully embedded

Paraffin Blocks

Instance	Description
LymphNodeSpecimenBlock01	SLN #1, bisected — contains micrometastasis (1.2 mm)
LymphNodeSpecimenBlock02	SLN #2, bisected — tumour-free

Slides

H&E Stains — Block 01 (SLN #1)

Instance	Description
LymphNodeSpecimenSlideHE01	H&E slide, SLN #1, section level 1
LymphNodeSpecimenSlideHE02	H&E slide, SLN #1, section level 2

H&E Stains — Block 02 (SLN #2)

Instance	Description
LymphNodeSpecimenSlideHE03	H&E slide, SLN #2, section level 1
LymphNodeSpecimenSlideHE04	H&E slide, SLN #2, section level 2