Canterbury DHB

Context

Protocol for Bone Marrow Aspirate and Trephine Biopsy

In This Section

Bone Marrows

Prevention of Bleeding after Bone Marrow Biopsy

Collection of Sample

Aspiration Procedure

Bone Marrow Trephine

Samples for Surface Markers, Cytogenetics and Molecular Oncology

Bone Marrows

Indication for bone marrow aspiration/biopsy:

If you consider the request inappropriate, consult the Laboratory Haematologist.

Prevention of Bleeding after Bone Marrow Biopsy

Notes:

For patients on warfarin:

When performing the biopsy, apply adequate pressure for at least 5 minutes at the biopsy site and observe the patient for 15 minutes post procedure.

Collection of Sample

Anaesthetic

General anaesthesia is usually preferred for a child. In an adult, infiltration with 2% lignocaine is usually adequate. Some patients will require sedation especially for trephines. Most of these procedures are performed on the Medical Day Ward where nitrous oxide is used for sedation. It is suggested that patients take panadeine (2 tabs) prior to procedure to decrease post-biopsy pain.

Site

It is essential that all samples collected from patients are correctly labelled and that samples do not become muddled. To avoid this problem labelling of all samples must be done at the patient's bedside.

Aspiration Procedure

Note: The Paediatric department assumes responsibility for the collection of bone marrow aspirate and bone marrow trephine on their patients. Paediatric needles/trephines are supplied by the Paediatric department.

Bone Marrow Trephine

Samples for Surface Markers, Cytogenetics and Molecular Oncology

Contact details (as of April 2017)

Department

Email

Phone extension

Surface markers

80917

Cytogenetics

80881

Molecular markers

86008

About this Canterbury DHB document (43977):

Document Owner:

Mark Smith (see Who's Who)

Issue Date:

October 2017

Next Review:

October 2019

Keywords:

Note: Only the electronic version is controlled. Once printed, this is no longer a controlled document. Disclaimer

Topic Code: 43977