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Careers
in Clinical Pathology
Clinical
Pathology (Laboratory Medicine) is a medical subspecialty that is
often not well-understood by medical students nor, in some cases,
even by practicing physicians. There are a number of career pathways
that it is possible to pursue under the aegis of "CP" board certification,
including opportunities for both academic and community practice.
For clinical pathologists in academic centers or larger community
hospitals, practice usually involves running one or more clinical
laboratories; e.g., blood bank
and apheresis, clinical chemistry,
hematology, immunology
, microbiology and virology,
molecular diagnostics. In
the academic center, research work integrates extraordinarily well
with clinical pathology practice (see below), making this career path
especially attractive to physician-scientists. In smaller hospitals,
a single individual may direct multiple laboratories, and may also
have additional clinical responsibilities, most frequently in anatomic
pathology. An alternate career path involves the combination of
internal medicine subspecialty practice with clinical pathology.
Common combinations are internal medicine/hematology combined with
running a hematology laboratory or a blood bank or apheresis service,
or internal medicine/infectious disease practice combined with a microbiology/hospital
epidemiology laboratory. Physicians interested in these latter possibilities
often pursue a CP fellowship either in
transfusion medicine, hematology/hematopathology or microbiology following
their internal medicine training or sometimes complete a full CP residency
after internal medicine training. The American Board of Pathology
recognizes these career options by making it possible to become Board
certified in Transfusion Medicine, Microbiology or Hematopathology
after primary certification by the American Board of Internal Medicine
followed by subspecialty work in these areas, without a need for primary
certification in anatomic or clinical pathology.
While the discipline has historically been especially attractive to
those who wish to pursue academic investigative careers (the investigative
MD or MD-PhD physician-scientist pathway described in more detail
below), many individuals go on to pursue full time clinical work,
especially those trained jointly in anatomic and clinical pathology
(AP/CP) or jointly in internal medicine and CP. For example, two-thirds
of recent Yale resident graduates who trained in pure CP are in full-time
academics, while one-third are now in full-time clinical practice.
Of those residents trained jointly in AP-CP, or in internal medicine
and CP, approximately two-thirds are in full-time clinical practice
and one-third in academics. Most of our CP-only graduates who have
gone on to full-time practice have taken an additional year of training
in a subspecialty area.
The
advantage to the MD or MD-PhD physician-scientist of pursuing a
career in Laboratory Medicine is that clinical work melds very well
with bench investigative work. Although emergencies occasionally
arise, the majority of one's clinical activities can be planned
in advance so that time devoted to bench work can be optimized and
carried out without disturbance. Many of the clinical laboratory
issues that arise also directly relate to the work done at the research
bench (optimization of a PCR-based assay, understanding "false positives,"
image analysis interpretation, and so forth). Similarly, much of
the consultative and interpretive work in Laboratory Medicine is
rooted in an appreciation of basic scientific principles. During
residency training, it is often possible to complete the core clinical
training in an 18-24 month block and devote a significant portion
of one's additional residency time to begin (or continue) scientific
investigations. This is possible because the body of knowledge needed
to be a clinical pathologist physician overlaps significantly with
that needed to be a scientist (including both an understanding of
the scientific basis of disease but also, for better or worse, administrative
skills in running a laboratory.) In many medical disciplines, the
universe of knowledge needed for state-of-the-art clinical care
is growing substantially independently of the expanding universe
of bench research, but in pathology, the life of the physician and
the life of the scientist remain very closely juxtaposed.
It should also be noted that for individuals who have obtained their
MD (but not a PhD) and who wish to pursue a physician-scientist
career, there are two broad approaches. One is to begin post-doctoral
research experiences either pre- or, most often, post-residency.
This has been a traditionally successful route for many physician-scientists.
Another alternative, however, is to obtain some of that research
experience while working toward a PhD degree. At Yale, a new program
has been initiated which allows someone with an MD degree to subsequently
obtain a PhD degree in Investigative
Medicine.
Another
career path in clinical pathology that has recently become progressively
more popular is that of Medical Informatics. The explosion in medical
information in general, the complex interactions involved in the
interpretation of laboratory tests in patients on multiple medications
including biologicals, and the ongoing need for improved image analysis
processing has made this an area with a great need for more physician-scientists
applying their skills. At Yale, it is possible to combine training
in Clinical Pathology with Yale's
postdoctoral fellowship in medical informatics.
Yet
another area of increasing interest for those trained in clinical
pathology in recent years has been to use the managerial and medical/bioscience
skills obtained during clinical training and apply these to a career
in the private corporate sector. This sometimes involves a managerial
position in an upstart biotechnology company and sometimes a position
in a larger healthcare delivery, diagnostic device R&D, or pharmaceutical
firm. At Yale, for example, occasional trainees have been interested
in obtaining an MBA degree, whether a Yale
MBA or an MBA from another school. Finally, we have also recently
seen some interest in the legal implications of expanding diagnostics
(especially genetic testing) with courses and/or a degree in law
as activities that may be part of an alternate career path.
Other
sources of information on Laboratory Medicine are available on the
Web. The major site to review is The
International Committee on Pathology Information. One can also
look at the Yale Laboratory
Medicine Portal.
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