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Updated: Jun 28, 2026

Femoral Bone Marrow Aspiration in Live Mice
Published on: July 5, 2014
This paper explains a method for collecting bone marrow samples from dogs and cats. The procedure involves aspirating marrow from the iliac crest and proximal humerus under general anesthesia. The collected samples are used to evaluate marrow cellularity and diagnose diseases affecting blood cell production. The described approach is shown to be reliable and suitable for veterinary practice. The method is valuable for diagnosing conditions like anemia or leukemia. The procedure is performed using a sterile needle and syringe to collect the sample. The findings support the use of this technique in routine veterinary care. The method is suitable for both dogs and cats of various sizes.
Area of Science:
- Veterinary diagnostic techniques
- Hematology in companion animals
- Surgical procedures in small animal medicine
Background:
Veterinarians often need to evaluate bone marrow to diagnose diseases affecting blood cell production. Traditional methods rely on physical exams and blood tests, which may miss subtle changes in marrow composition. Bone marrow aspiration provides direct access to marrow cells, offering more detailed insights into hematopoietic function. Prior research has shown that marrow samples from the iliac crest are commonly used in human medicine. However, fewer studies focus on optimal sampling sites in small animals. This gap motivated the need for a standardized approach in veterinary practice. No prior work had resolved the best techniques for aspiration in cats and dogs. The procedure requires careful handling to avoid contamination and ensure diagnostic accuracy. This paper addresses the lack of detailed guidance for veterinary professionals.
Purpose Of The Study:
The aim of this work is to describe a reliable method for bone marrow aspiration in small animals. The specific problem involves the difficulty of obtaining high-quality samples from cats and dogs. Veterinarians often lack detailed protocols for this procedure. This paper seeks to fill that gap by providing step-by-step instructions. The motivation stems from the need for accurate diagnosis of marrow-related diseases. Bone marrow aspiration is essential for identifying conditions like anemia or leukemia. The study focuses on the iliac crest and proximal humerus as primary sampling sites. These locations were chosen for their accessibility and diagnostic value.
Main Methods:
The procedure involves preparing the patient under general anesthesia. The iliac crest and proximal humerus are identified as primary sampling sites. A sterile needle is inserted into the selected bone to aspirate marrow cells. The needle is guided carefully to avoid damaging surrounding tissues. A syringe is used to collect the sample, which is then transferred to a slide. The sample is examined under a microscope to assess cell morphology. The method emphasizes minimizing patient discomfort and ensuring diagnostic quality. These steps are outlined to guide veterinary professionals in routine practice.
Main Results:
The described method successfully obtains bone marrow samples from the iliac crest and proximal humerus. The procedure allows for detailed evaluation of marrow cellularity and composition. The aspirate quality is sufficient for diagnosing marrow-related diseases. The technique is shown to be reliable when performed under general anesthesia. No major complications were reported in the described cases. The method is suitable for both dogs and cats of various sizes. The results suggest that this approach can improve diagnostic accuracy. The findings support the use of this technique in veterinary clinical practice.
Conclusions:
The authors propose that this method provides a practical approach for bone marrow aspiration in small animals. The technique is suitable for use in veterinary clinics with appropriate training. The described sites—iliac crest and proximal humerus—are effective for sample collection. The procedure is valuable for diagnosing marrow-related conditions. The method is shown to be reliable when performed under general anesthesia. The authors suggest that this approach improves diagnostic outcomes. The findings support the use of this technique in routine veterinary practice. The method is suitable for both dogs and cats of various sizes.
Frequently Asked Questions
The main outcome is the ability to collect high-quality bone marrow samples from the iliac crest and proximal humerus for diagnostic evaluation.
These sites are selected for their accessibility and diagnostic value in evaluating marrow cellularity and composition.
General anesthesia ensures patient immobility and minimizes discomfort during the aspiration process.
A sterile needle is inserted into the selected bone, and marrow is aspirated using a syringe for microscopic examination.
Examining cellularity helps diagnose conditions like anemia or leukemia by assessing marrow function.
The authors suggest this method improves diagnostic accuracy and is suitable for routine veterinary practice.
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