Dual FISH or FISH for HER2 (plus HER2 IHC)
in gastroesophageal cancer *
REQUESTING AND COLLECTING

Ordering:
HER2 ISH (plus HER2 IHC) in gastric/gastroesophageal cancer should

ideally be ordered on 'Oncology ISH Request' form (specialised request

form available from Tissue and Molecular Pathology: (02) 8382 9156

and on the SydPath website) with relevant clinical history. HER2 ISH

testing is not covered under Medicare and payment is the responsibility

of the requesting Dr and Department unless a patient consent to pay

is provided with the sample.

Dual probe HER2 SISH is usually performed as the triage test, with FISH

reserved for cases which are non-diagnostic or equivocal on SISH.

Collection:
4 unstained 3um sections on coated slides or on paraffin-embedded

block of tumour or cytology cell block.

GENERAL INFORMATION

Availability:
Results available within 7 days of sample arrival in laboratory.

Laboratory:
FISH lab ()

Patient Results:
(02) 8382-9100
Synonyms:
HER2 FISH - Gastric/gastroesophageal

HER2 SISH

PathVysion

Ventana dual HER2 SISH

Clinical Hyperlink:
ISH information page
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INSTRUCTIONS FOR REFERRING LABORATORIES
Handling & Transport:

Forward to Tissue and Molecular Pathology (Anatomical Pathology)
Download ISH request form:
Oncology ISH request form
___________________________________________________________________________________________________________________________________

INSTRUCTIONS FOR HANDLING AT SYDPATH
SydPath Handling:

Data Entry Code:

SydPath Division:
Anatomical Pathology

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Date/Time published: 30/03/2020 17:34:40
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