(6 intermediate revisions by the same user not shown) Line 1:
Line 1:
===Provided clinical history===
===Provided clinical history===
XXX year old man/woman, YYY
73 year old man, colon cancer
===Site===
===Site===
ZZZ
abdominal lymph node
===Primary image===
===Primary image===
[[Image: NAME OF IMAGE GOES HERE |500px|link=|center|]]
[[Image: Follicular lymphoma -- very low mag.jpg |500px|link=|center|]]
<center>Low magnification. [[H&E stain]].</center>
<center>Very low magnification. [[H&E stain]].</center>
{{hidden|Intermediate magnification|[[Image: NAME OF IMAGE GOES HERE |500px|link=|center|]]
{{hidden|Low magnification|[[Image: Follicular lymphoma -- low mag.jpg |400px |link=|center|]]
<center>Intermediate magnification. [[H&E stain]].</center>}}
<center>Low magnification. [[H&E stain]].</center>}}
{{hidden|High magnification|[[Image: NAME OF IMAGE GOES HERE |500px|link=|center|]]
{{hidden|Very high magnification|[[Image: Follicular lymphoma -- very high mag.jpg |500px|link=|center|]]
<center>High magnification. [[H&E stain]].</center>}}
<center>Very high magnification. [[H&E stain]].</center>}}
===Differential diagnosis===
===Differential diagnosis===
{{hidden|Differential diagnosis|<center>THE DDx GOES HERE</center>}}
{{hidden|Differential diagnosis|<center>[[Small cell lymphomas]] </center>}}
===Additional tests===
===Additional tests===
====More history====
====More history====
{{hidden|More history|<center>MORE HISTORY HERE</center>}}
{{hidden|More history|<center>Biopsy proven sigmoid carcinoma. Mildly obese. Hemoglobin 103 g/L, WBC 23,000 lymphocytes/mm<sup>3</sup>. </center>}}
====Ask a colleague====
====Ask a colleague====
{{hidden|Ask a colleague|<center>COLLEAGUE'S ADVICE HERE</center>}}
{{hidden|Ask a colleague|<center>Have you done some stains? BCL2 should be informative. </center>}}
====Stains====
====Stains====
Line 82:
Line 82:
| b72_3=
| b72_3=
| bcatenin=
| bcatenin=
| bcl2=
| bcl2= [[Image:Follicluar lymphoma - bcl2 -- low mag.jpg |400px|link=|center|]]<center>Patient's tissue - low magnification.</center> [[Image:Follicular lymphoma - control bcl2 -- low mag.jpg |200px|link=|center|]]<center>Control tissue - low magnification.</center>
| bcl6=
| bcl6= '''POSITIVE'''
| bclxl=
| bclxl=
| c3=
| c3=
Line 90:
Line 90:
| calretinin=
| calretinin=
| cam5p2=
| cam5p2=
| cd10=
| cd10= '''POSITIVE'''
| cd117=
| cd117=
| cd138=
| cd138=
| cd15=
| cd15=
| cd1a=
| cd1a=
| cd20=
| cd20= '''POSITIVE'''
| cd21=
| cd21=
| cd23=
| cd23= '''NEGATIVE'''
| cd3=
| cd3= '''NEGATIVE'''
| cd30=
| cd30=
| cd31=
| cd31=
Line 104:
Line 104:
| cd35=
| cd35=
| cd4=
| cd4=
| cd43=
| cd43= '''NEGATIVE'''
| cd45=
| cd45= '''POSITIVE'''
| cd45=
| cd5= '''NEGATIVE'''
| cd5=
| cd56=
| cd56=
| cd57=
| cd57=
Line 127:
Line 126:
| cmv=
| cmv=
| cmyc=
| cmyc=
| cyclin_d1=
| cyclin_d1= '''NEGATIVE'''
| d2_40=
| d2_40=
| desmin=
| desmin=
Line 216:
Line 215:
| wt1=
| wt1=
}}
}}
====Chromosomal translocations====
====Molecular testing====
= ====Chromosomal translocations= ====
{{Case Translocations
{{Case Translocations
| blank=Dr Torres would ask why!
| blank=Dr Torres would ask why!
Line 231:
Line 231:
| t12_16liposar=
| t12_16liposar=
| t12_22=
| t12_22=
| t14_18=
| t14_18= '''PRESENT'''
| t15_17=
| t15_17=
| t16_21=
| t16_21=
Line 239:
Line 239:
| tx_17=
| tx_17=
| tx_18=
| tx_18=
}}
=====Other molecular tests=====
{{Case Molecular
| blank=Dr Torres would ask why!
| alk =
| b_cell_clone = Clonality '''PRESENT'''
| bcl2 =
| braf =
| EBV_pcr =
| egrf =
| h3f3a =
| hhv8_pcr =
| identity_test =
| idh1_2 =
| jak2_v617f =
| kit =
| loh_1p19q =
| t_cell_clone = Clonality '''ABSENT'''
}}
}}
===Diagnosis===
===Diagnosis===
{{hidden|Diagnosis|<center>DIAGNOSIS GOES HERE</center>}}
{{hidden|Diagnosis|<center>[[Follicular lymphoma]] </center>}}
<br>
<br>
===Other cases===
===Other cases===
{{Cases navigation}}
{{Cases navigation}}
Line 251:
Line 270:
[[Category:Cases]]
[[Category:Cases]]
<!-- SELECT A CATEGORY
[[Category:Cases in lymph node pathology]]
[[Category:Cases in genitourinary pathology]]
[[Category:Cases in lymph node pathology - junior]]
-->
[[Category:Cases in hematopathology ]]
[[Category:Cases in hematopathology - junior]]
[[Category:Cases difficulty 4]] <!-- difficulty 1-7 -- should roughly correspond to the PGY level -->
[[Category:Cases difficulty 3 ]] <!-- difficulty 1-7 -- should roughly correspond to the PGY level -->
Provided clinical history
73 year old man, colon cancer
Site
abdominal lymph node
Primary image
Very low magnification. H&E stain .
Low magnification
Low magnification. H&E stain .
Very high magnification
Very high magnification. H&E stain .
Differential diagnosis
Additional tests
More history
More history
Biopsy proven sigmoid carcinoma. Mildly obese. Hemoglobin 103 g/L, WBC 23,000 lymphocytes/mm3 .
Ask a colleague
Ask a colleague
Have you done some stains? BCL2 should be informative.
Stains
Alcian blue/PAS to Bilirubin Test Result
Alcian blue/PAS Dr Torres would ask why!
Alican blue pH 1.0 Dr Torres would ask why!
Alcian blue pH 2.5 Dr Torres would ask why!
Auramine Dr Torres would ask why!
Bielchowsky Dr Torres would ask why!
Bilirubin Dr Torres would ask why!
Colloidal iron to Fontana-Masson Test Result
Colloidal iron Dr Torres would ask why!
Congo red Dr Torres would ask why!
Cresyl violet Dr Torres would ask why!
Dieterle Dr Torres would ask why!
Diff Quik Dr Torres would ask why!
Fontana-Masson Dr Torres would ask why!
Gallyas to Gremelius Test Result
Gallyas Dr Torres would ask why!
Giemsa Dr Torres would ask why!
GMS Dr Torres would ask why!
Gomori's trichrome Dr Torres would ask why!
Gram Dr Torres would ask why!
Gremelius Dr Torres would ask why!
JMS to Mucicarmine Test Result
JMS Dr Torres would ask why!
Jones Dr Torres would ask why!
Kinyoun Dr Torres would ask why!
Luxol fast blue Dr Torres would ask why!
Masson trichrome Dr Torres would ask why!
M-MAS Dr Torres would ask why!
Movat Dr Torres would ask why!
Mucicarmine Dr Torres would ask why!
Oil red O to Prussian blue Test Result
Oil red O Dr Torres would ask why!
Orecein Dr Torres would ask why!
PAS Dr Torres would ask why!
PASD Dr Torres would ask why!
PASF Dr Torres would ask why!
PTAH Dr Torres would ask why!
Prussian blue Dr Torres would ask why!
Reticulin to Ziehl-Neelsen Test Result
Reticulin Dr Torres would ask why!
Sudan black B Dr Torres would ask why!
Toluidine blue Dr Torres would ask why!
Verhoeff Dr Torres would ask why!
Von Kossa Dr Torres would ask why!
Warthin-Starry Dr Torres would ask why!
Ziehl-Neeslen Dr Torres would ask why!
IHC
Alpha-1 AT to Cathepsin K Test Result
alpha-1 AT Dr Torres would ask why!
ACTH Dr Torres would ask why!
AE1/AE1 Dr Torres would ask why!
alpha-fetoprotein Dr Torres would ask why!
Alk-I Dr Torres would ask why!
AMACR Dr Torres would ask why!
AR Dr Torres would ask why!
ATRX Dr Torres would ask why!
Beta2-microglobulin Dr Torres would ask why!
B72.3 Dr Torres would ask why!
Beta-catenin Dr Torres would ask why!
BCL2 Patient's tissue - low magnification. Control tissue - low magnification.
BCL6 POSITIVE
BCLxL Dr Torres would ask why!
C3 comp Dr Torres would ask why!
CA9 Dr Torres would ask why!
Calcitonin Dr Torres would ask why!
Calponin Dr Torres would ask why!
Calretinin Dr Torres would ask why!
CAM5.2 Dr Torres would ask why!
Cathepsin K Dr Torres would ask why!
CD10 to Chromogranin Test Result
CD10 POSITIVE
CD117 Dr Torres would ask why!
CD138 Dr Torres would ask why!
CD15 Dr Torres would ask why!
CD1a Dr Torres would ask why!
CD20 POSITIVE
CD21 Dr Torres would ask why!
CD23 NEGATIVE
CD3 NEGATIVE
CD30 Dr Torres would ask why!
CD31 Dr Torres would ask why!
CD34 Dr Torres would ask why!
CD35 Dr Torres would ask why!
CD4 Dr Torres would ask why!
CD43 NEGATIVE
CD45 (LCA) POSITIVE
CD5 NEGATIVE
CD56 Dr Torres would ask why!
CD57 Dr Torres would ask why!
CD68 Dr Torres would ask why!
CD7 Dr Torres would ask why!
CD79a Dr Torres would ask why!
CD8 Dr Torres would ask why!
CD99 Dr Torres would ask why!
CDX2 Dr Torres would ask why!
CEA-m Dr Torres would ask why!
Chromogranin Dr Torres would ask why!
CK17 to Glypican 3 Test Result
CK17 Dr Torres would ask why!
CK19 Dr Torres would ask why!
CK20 Dr Torres would ask why!
CK34betaE12 Dr Torres would ask why!
CK5/6 Dr Torres would ask why!
CK7 Dr Torres would ask why!
CMV Dr Torres would ask why!
c-MYC Dr Torres would ask why!
Cyclin D1 NEGATIVE
D2-40 Dr Torres would ask why!
Desmin Dr Torres would ask why!
DOG1 Dr Torres would ask why!
EBV Dr Torres would ask why!
EMA Dr Torres would ask why!
ER and PR Dr Torres would ask why!
Factor VIII Dr Torres would ask why!
Factor XIIIa Dr Torres would ask why!
Fascin Dr Torres would ask why!
FH Dr Torres would ask why!
FSH Dr Torres would ask why!
Gastrin Dr Torres would ask why!
GATA3 Dr Torres would ask why!
GCDFP-15 (BRST2) Dr Torres would ask why!
GFAP Dr Torres would ask why!
GH Dr Torres would ask why!
Glucagon Dr Torres would ask why!
Glypican-3 Dr Torres would ask why!
HBME-1 to IgM Test Result
HBME-1 Dr Torres would ask why!
HBV core Dr Torres would ask why!
HBV surface Dr Torres would ask why!
H-caldesmon Dr Torres would ask why!
HCG Dr Torres would ask why!
Helicobacter Dr Torres would ask why!
Hepatocyte Dr Torres would ask why!
HER2/neu Dr Torres would ask why!
HHV-8 Dr Torres would ask why!
HMB-45 Dr Torres would ask why!
HNF1beta Dr Torres would ask why!
HPV Dr Torres would ask why!
HSV-I Dr Torres would ask why!
HSV-II Dr Torres would ask why!
IDH-1 Dr Torres would ask why!
Inhibin Dr Torres would ask why!
INI1 (BAF47)Dr Torres would ask why!
Insulin Dr Torres would ask why!
Kappa Dr Torres would ask why!
Ki-67 Dr Torres would ask why!
Lambda Dr Torres would ask why!
Leu 7 Dr Torres would ask why!
IgA Dr Torres would ask why!
IgG Dr Torres would ask why!
IgM Dr Torres would ask why!
LH to PDGFR Test Result
LH Dr Torres would ask why!
LIN28 Dr Torres would ask why!
Lysozyme Dr Torres would ask why!
mammoglobin Dr Torres would ask why!
MAP2 Dr Torres would ask why!
MCV Dr Torres would ask why!
Melanin A Dr Torres would ask why!
MHC class I Dr Torres would ask why!
MITF Dr Torres would ask why!
MUM1 Dr Torres would ask why!
Myeloperoxidase Dr Torres would ask why!
MYO D1 Dr Torres would ask why!
Myoglobin Dr Torres would ask why!
Napsin Dr Torres would ask why!
NF Dr Torres would ask why!
NKX3.1 Dr Torres would ask why!
NSE Dr Torres would ask why!
OCT3/4 Dr Torres would ask why!
p16 Dr Torres would ask why!
P501S Dr Torres would ask why!
p53 Dr Torres would ask why!
p57 Dr Torres would ask why!
p63 Dr Torres would ask why!
Pankeratin Dr Torres would ask why!
PAX2 Dr Torres would ask why!
PAX5 Dr Torres would ask why!
PAX8 Dr Torres would ask why!
PCNA Dr Torres would ask why!
PDGFR Dr Torres would ask why!
PLAP to WT1 Test Result
PLAP Dr Torres would ask why!
PNL-2C Dr Torres would ask why!
Prolactin Dr Torres would ask why!
PSA Dr Torres would ask why!
PSAP Dr Torres would ask why!
RCC Dr Torres would ask why!
S-100 Dr Torres would ask why!
SALL4 Dr Torres would ask why!
Smooth muscle actin Dr Torres would ask why!
Somatostatin Dr Torres would ask why!
STAT6 Dr Torres would ask why!
Synaptophysin Dr Torres would ask why!
TdT Dr Torres would ask why!
TFE3 Dr Torres would ask why!
TFEB Dr Torres would ask why!
Thyroglobulin Dr Torres would ask why!
Toxoplasma Dr Torres would ask why!
TSH Dr Torres would ask why!
TTF-1 Dr Torres would ask why!
Ubiquitin Dr Torres would ask why!
UCHL1 (PGP9.5) Dr Torres would ask why!
Ulex Europaeus Dr Torres would ask why!
Vimentin Dr Torres would ask why!
VIP Dr Torres would ask why!
VZV Dr Torres would ask why!
WT-1 Dr Torres would ask why!
Molecular testing
Chromosomal translocations
Translocations Chr 1-10 Test Result
t(1;13) PAX7-FKHR Dr Torres would ask why!
t(2,13) PAX3-FKHR Dr Torres would ask why!
t(8;14) MYC-IGH Dr Torres would ask why!
t(9;22) BCR-ABL Dr Torres would ask why!
t(9;22) CHN-EWS Dr Torres would ask why!
Translocations Chr 11-13 Test Result
t(11;14) CCND1-IGH Dr Torres would ask why!
t(11;22) EWS-WT1 Dr Torres would ask why!
t(11;22) FLI1-EWS Dr Torres would ask why!
t(12;15) ETV6-NTRK3 Dr Torres would ask why!
t(12;16) FUS-ATF1 Dr Torres would ask why!
t(12;16) CHOP-TLS Dr Torres would ask why!
t(12;22) EWS-ATF1 Dr Torres would ask why!
Translocations Chr 14-22 Test Result
t(14,18) IGH-BCL2 PRESENT
t(15;17) PML-RARA Dr Torres would ask why!
t(16;21) FUS-ERG Dr Torres would ask why!
t(17;22) COLA1-PDGFB Dr Torres would ask why!
t(21;22) EWS-ERG Dr Torres would ask why!
Translocations Chr X & Y Test Result
t(X;1) PRCC-TFE3 Dr Torres would ask why!
t(X;17) TFE3-ASPL Dr Torres would ask why!
t(X;18) SYT-SSX Dr Torres would ask why!
Other molecular tests
Molecular tests (A-B) Test Result
ALK sequencing Dr Torres would ask why!
B cell clonality Southern / PCR Clonality PRESENT
BCL2 PCR Dr Torres would ask why!
BRAF sequencing Dr Torres would ask why!
Molecular tests (C-H) Test Result
EBV PCR Dr Torres would ask why!
EGRF sequencing Dr Torres would ask why!
H3F3A sequencing Dr Torres would ask why!
HHV-8 PCR Dr Torres would ask why!
Molecular tests (I-J) Test Result
Identity testing PCR Dr Torres would ask why!
IDH1/2 PCR Dr Torres would ask why!
JAK2 V617F ARMS Dr Torres would ask why!
Molecular tests (K-Z) Test Result
KIT sequencing Dr Torres would ask why!
LOH 1p/19q PCR Dr Torres would ask why!
T cell clonality Southern / PCR Clonality ABSENT
Diagnosis
Other cases
Number Subspecialty (Difficulty)
Autopsy pathology (jr ,sr , f/e )
Breast pathology (jr ,sr , f/e )
Cardiovascular pathology (jr ,sr , f/e )
Cytopathology (jr ,sr , f/e )
Dermatopathology (jr ,sr , f/e )
Endocrine pathology (jr ,sr , f/e )
Forensic pathology (jr ,sr , f/e )
Gastrointestinal pathology (jr ,sr , f/e )
Genitourinary pathology (jr ,sr , f/e )
Gynecologic pathology (jr ,sr , f/e )
Hematopathology (jr ,sr , f/e )
Head and neck pathology (jr ,sr , f/e )
Lymph node pathology (jr ,sr , f/e )
Medical kidney pathology (jr ,sr , f/e )
Molecular pathology (jr ,sr , f/e )
Neuropathology (jr ,sr , f/e )
Pediatric pathology (jr ,sr , f/e )
Pulmonary pathology (jr ,sr , f/e )
Placental pathology (jr ,sr , f/e )
Soft tissue pathology (jr ,sr , f/e ) Difficulty