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Interpretive Handbook

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Test 70016 :
Hematopathology Consultation, Wet Tissue

Clinical Information Discusses physiology, pathophysiology, and general clinical aspects, as they relate to a laboratory test

Diagnostic hematopathology has become an increasingly complex subspecialty, particularly with neoplastic disorders of blood and bone marrow. The clinical, therapeutic, and prognostic features of these disorders are often distinctive, while the pathologic features are quite subtle, requiring the application of ancillary studies (eg, cytochemistry, immunohistochemistry, flow cytometric immunophenotyping, cytogenetics, and molecular genetics) to establish a diagnosis. Furthermore, these ancillary studies are expensive, labor intensive, and are most efficiently utilized and interpreted in the context of the morphologic features.

 

It is the Division of Hematopathology's goal to provide the highest possible level of diagnostic consultative service, trying to balance optimal patient care with a cost-conscious approach to solving difficult diagnostic problems.

 

All blood and bone marrow studies are available within the context of a hematopathology consultation. If requesting a full bone marrow workup, the Mayo consultant will approach the diagnosis in a way consistent with Mayo Clinic practice. The Mayo Hematopathologist may call the referring physician/pathologist to discuss the case prior to performing any additional studies. Referring physicians are welcome to suggest which specific ancillary studies should be performed, but before they are done, a morphologic review by one of the Mayo consulting staff hematopathologists will confirm the diagnostic problem presented by the morphologic differential diagnosis.

Useful For Suggests clinical disorders or settings where the test may be helpful

Obtaining a rapid, expert opinion on unprocessed specimens referred by the primary pathologist

 

Obtaining special studies not available locally

Interpretation Provides information to assist in interpretation of the test results

Results of the consultation are reported in a formal pathology report that includes a description of ancillary test results (if applicable) and an interpretive comment. When the case is completed, results may be communicated by a phone call. The formal pathology report is faxed.  

 

In our consultative practice, we strive to bring the customer the highest quality of diagnostic pathology, in all areas of expertise, aiming to utilize only those ancillary tests that support the diagnosis in a cost-effective manner, and to provide a rapid turnaround time for diagnostic results.

Cautions Discusses conditions that may cause diagnostic confusion, including improper specimen collection and handling, inappropriate test selection, and interfering substances

Appropriate stained and unstained slides and tissue sampling/fixation are required in order to make a diagnosis on routine stains, and on which special stains or studies may be required. The referring pathologist's name and phone number are essential. Specific diagnosis may require correlation with clinical information.


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