acvp certification examination gross and...
TRANSCRIPT
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ACVP CERTIFICATION EXAMINATION
GROSS AND HISTOPATHOLOGY REVIEW
December 16, 2015
Dr. Andrew D. Miller, DVM, Dipl. ACVP
Cornell University College of Veterinary Medicine
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Webinar
• 2016 exam and beyond
• This webinar is not about the redesign process
• Redesign info on ACVP website, more soon
• Clinical pathology webinar is on Dec. 18th
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Webinar
• In lieu of review at ACVP meeting
• Format will be slightly different
• Cannot show as many examples
• Overview of 2016 format with select examples from gross and histology
• Multiple choice examples are on the website
• Q&A session
• Being recorded
• Webinar recording and ppt will be on ACVP website for review
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2015 Anatomic Pathology
Dan Rudmann (chair)
Dalen Agnew
Richard Luong
Brian Porter
Andrew Miller
Paco Uzal
Leslie Woods
Denise Schwahn (P)
Duncan Russell (P)
Jario Nunes
Inge Langhor (P)
Mandy Fales-Williams (P)
Tim Morgan
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2016 Anatomic Path EC
Andrew Miller, Cornell University (chair)
Richard Luong, IDEXX Laboratories
Brian Porter, Texas A&M
Dalen Agnew, Michigan State University
Paco Uzal, UC Davis
Leslie Woods, UC Davis
Denise Schwahn, University of Wisconsin
Jario Nunes, WiL research
Tim Morgan, Mississippi State University
Christiane Lohr, Oregon State University
Dan Rissi (P), University of Georgia
Brigid Troan (P), North Carolina State University
Denise Imai (P), UC Davis
Simon Priestnall (P), Royal Veterinary College
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ACVP Certifying Exam (2016)
• Two phase exam
• Phase I
• Formerly known as General Pathology
• Phase II
• Gross pathology
• Histopathology
• Clinical pathology
• Elective sections: NEWZ, Lab, Small animal, Large animal
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Phase I (General Pathology)
• 100 MCQs covering general pathology
• NO species-specific questions
• Reading list is online
• Computer-based, Castle testing centers
• March 10th, 2016
• MUST pass to proceed to Phase II
• Can take and pass in same year as Phase II
• Cut-score = 62%, pass rate in 2015 = 87%
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Phase II
• Three sections
• Pass/fail each section
• Hand-written
• Scheman Center, Iowa State U., Ames
• September 13th and 14th, 2016
• Updated schedule is on the website
• Eligible after 36 months of training
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Gross Pathology Review
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Preparation Timeline
Nov-Dec: Examination Committee (EC) meets
Mar-Apr: Cases sent to section leader from EC
Apr-May: Section leader reviews all cases and prepares exam materials
Jun: Draft exam selected by entire EC in Fort Collins
• Final 100 images are selected based on the matrix
• Points are allocated for each question
• Keys are drafted
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Tissue from a dog:
Morphologic diagnosis (2)
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Morphologic Diagnosis: Choroid
plexus carcinoma; Hydrocephalus
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Tissue from a horse:
Pathogenesis
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Failure of passive transfer (or
omphophlebitis)-- insufficient immune
protection-- bacteremia/septicemia--
osteomyleitis
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Tissue from a dog:
Morphologic Diagnosis; Serum biochemical changes (2)
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Morphologic diagnosis Parathyroid adenoma with contralateral atrophy
Associated serum biochemical findings hypercalcemia,
hypophosphatemia
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Tissue from a horse:
Etiologic Diagnosis
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Etiologic Diagnosis:
Mycotic dermatitis
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Tissue from a hawk:
Histologic features (3)
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Histologic characteristics (3) Proliferative dermatitis with
ballooning degeneration and cytoplasmic inclusion bodies
(Bollinger bodies) in keratinocytes
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Tissue from a fish: Morphologic Diagnosis
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Morphologic diagnosis Branchial telangiectasia/thrombosis or
lamellar telangiectasia
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Tissue from a horse:
Morphologic
Diagnosis
Cause
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Morphologic diagnosis
Cerebrocortical
leukoencephalomalacia
Cause: Fumonisin B1
produced by Fusarium
verticillioides (F.
moniliforme)or F.
proliferatum on corn
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Tissue from a
dog:
Morphologic
Diagnosis
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Morphologic
Diagnosis:
Multiple
myeloma
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Tissue from a cat: Morphologic Diagnosis; Cause
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Multifocal pyogranulomatous meningitis; FIP
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Tissue from a dog: Cause
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Dracunculus insignis
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MICROSCOPIC SECTION REVIEW
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Preparation Timeline
Nov-Dec: Examination Committee (EC) meets
Mar-Apr: Cases sent to section leader from EC
Apr-May: Section leader reviews all cases and prepares exam materials
Jun: Draft exam selected by entire EC in Fort Collins
• Final 20 cases are selected
• Points are allocated for each question
• Keys are drafted
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Case Selection
• Test value/quality of the lesion(s)
• Quality of the slide
• Diversification matrix for cases
- Process
- Tissue
- Cause
- Species
- Contributor
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Case Selection
Pathologic Process
• Infectious/inflammatory/immunologic
• Degeneration/necrosis
• Disturbance of growth (includes neoplasia)
• Genetic/metabolic/nutritional
• Chemical/toxic
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Case Selection
Organ System
Cardiovascular Reproductive
Digestive Respiratory
Endocrine Integumentary
Hemolymphatic Urinary
Liver/Pancreas Eye/Special senses
Musculoskeletal Nervous
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Case Selection
Etiology
Bacteria Toxic/chemical
Fungi Deficiency
Parasite Genetic disorder
Virus Multiple etiologies
Circulatory Other
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Case Selection
Species
• Small animal (dog and cat)
• Large animal (ox, sheep, goat, pig and horse)
• Laboratory animal
• Non-mammalian, exotic, wildlife and zoo animals (NEWZ)
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Case Section• Glass slide cases - usually 18 total
• Special cases - usually 2 total
• Electron photomicrographs
• Cytology images/slides
• Immunohistochemistry/special stain images
• Blood smear
• Composite/mixed image panel
• Other
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Organization/Clarity (OC) Points
Three specific categories of O/C points
1. Logical and clear description of the microscopic features that leads
to the correct diagnosis
2. Appropriate use of anatomic pathology and/or scientific terminology
3. Clear differentiation between a primary and secondary process
- Not used in every case
- Determined by EC consensus
- If used, typically one point; maximum of two points
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Tissue From a Cat
Histopathologic Description (14 points):
Morphologic Diagnosis(es) (2 points):
Cause(s) (4 points):
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Tissue From a Cat: SkinPyogranulomatous inflammation expands dermis and panniculus, adnexal
atrophy/loss
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Tissue From a Cat: Skin
Epitheliod macrophages, neutrophils, lymphocytes and plasma cells
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Tissue From a Cat: Skin
Multinucleated macrophages
Fungal yeast - size, shape, wall, budding
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Tissue From a Cat: Skin
Necrosis, tissue tracts, hemorrhage, fibrin
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Tissue From a Cat: Skin
Morphologic Diagnosis (2 points):
Pyogranulomatous dermatitis and panniculitis with intra-lesional yeast
Cause(es) (4 points):
Blastomyces dermatitidis
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Tissue From a Horse
Histopathologic Description (14 points):
Morphologic Diagnosis(es) (6 points):
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Tissue From a Horse
Cauda equina, ganglia/nerves/nerve sheaths, inflammation
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Tissue From a HorseCauda equina, ganglia/nerves/nerve sheaths, inflammation
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Tissue From a Horse
Lymphocytes, plasma cells, macrophages, multinucleated giant cells
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Tissue From a Horse
Dilated myelin sheaths/vacuolation, axonal degeneration/loss, fibrosis
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Tissue From a HorseGanglia, neuronal vacuolation, chromatolysis, and necrosis/loss, gliosis
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Tissue From a Horse
Morphologic Diagnosis(es) (6 points):
Lymphoplasmacytic/granulomatous ganglioneuritis with axonal/myelin
degeneration
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Tissue From a Mouse
Histopathologic Description (16 points):
Morphologic Diagnosis(es) (4 points):
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Tissue From a Mouse: KidneyCorticomedullary, tubular necrosis, tubular dilation, hyaline protein casts in medulla
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Tissue From a Mouse: KidneyTubular necrosis, sloughing/cellular casts, tubular dilation, epithelial flattening
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Tissue From a Mouse: KidneyTubular regeneration, basophilia, hypertrophy, cell piling, mitoses, nuclear
changes
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Tissue From a Mouse: Kidney
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Tissue From a Mouse
Morphologic Diagnosis(es) (4 points):
Renal corticomedullary tubular necrosis with regeneration
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Tissue From a Baboon
Histopathologic Description (16 points):
Name the disease (4 points):
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Tissue From a BaboonSmall intestine, mass, effacing muscularis, transmural/serosa to submucosa
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Tissue From a BaboonBranching glands, variably size/ectatic, contents, cuboidal to columnar cells,
apical blebs
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Tissue From a BaboonProliferative stroma, surrounding epithelium, cellularity, organization, spindle
cell shape, mitoses, with eosinophils
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Tissue From a Baboon
Name the disease (4 points):
Endometriosis
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Tissue From a Fish
Description (16 points):
Cause(s) (2 points):
Name the disease(s) (2 points):
Format: Mixed Panel
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Tissue From a Fish
Phase Contrast Wet Mount
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Tissue From a Fish
A) Phase Contrast Wet Mount:
Encapsulated microorganisms/lymphocysts/hypertrophic cells, describe
granular internal structure
Phase Contrast Wet Mount
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Tissue From a Fish
B) and C) Histology (H&E):
Skin/epithelial surface, dermal connective tissue, hypertrophic fibroblasts, cyst
wall and contents, collapsed cysts, inflammation
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Tissue From a Fish
D) Electron Microscopy:
Portion of a hypertrophied cell, central nucleus, heterochromatin/condensed
chromatin, viral particles, cytoplasm, icosahedral/hexagonal
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Tissue From a Fish
Cause(s) (2 points):
Lymphocystis disease virus / Iridovirus
Name the disease(s) (2 points):
Lymphocystis