Abbreviations

ABO, Blood group antibodies
ADASP, Association of Directors of Anatomic and Surgical Pathology
ADH, Atypical Ductal Hyperplasia
AFP, Alpha Feto-Protein
AFX, Atypical Fibroxanthoma
AITL, Angioimmunoblastic T Cell Lymphoma
ALCL, Anaplastic Large Cell Lymphoma
ALH, Atypical Lobular Hyperplasia
ALK, Anaplastic Lymphoma Kinase
ALPS, Autoimmune Lymphoproliferative Syndrome
ALT, Atypical Lipomatous Tumor
CLL, Chronic Lymphocytic Leukemia
CMV, Cytomegalovirus
CNS, Central Nervous System
DCIS, Ductal Carcinoma In Situ
DFSP, Dermatofibrosarcoma Protuberans
DLBCL, Diffuse Large B Cell Lymphoma
DSCT, Desmoplastic Small Cell Tumor
EBV, Epstein Barr Virus
EM, Electron Microscopy
EMA, Epithelial Membrane Antigen
ERCP, Endoscopic Retrograde CholangioPancreatography
EVG, Elastic Van Gieson
ER, Estrogen Receptor
FISH, Fluorescent In Situ Hybridization
GFAP, Glial Fibrillary Acidic Protein
GGT, gamma-glutamyltransferase
GI, Gastrointestinal
GVHD, Graft Versus Host Disease
HRBCL, Histiocyte Rich B Cell Lymphoma
HCG, Human Chorionic Gonadotrophin
HGDCIS, High Grade Ductal Carcinoma In SItu
HHV8, Human Herpes Virus 8 (same as KSHV)
HIV, Human Immunodeficiency Virus
hpf, Microscopic high power field
Ig, Immunoglobulin
IPMN, Intraductal Papillary Mucinous Neoplasm (Pancreas)
IPSID, Immunoproliferative Small Intestinal Disease
KSHV, Kaposi Sarcoma Herpes Virus (same as HHV8)
LCA, Leukocyte Common Antigen (CD45RB)
LCIS, Lobular Carcinoma In Situ
LGDCIS, Low Grade Ductal Carcinoma In Situ
LGL, Large Granular Lymphocyte
LPHL, Lymphocyte Predominant Hodgkin Lymphoma
MCD, Multicentric Castleman Disease
MFH, Malignant Fibrous Histiocytoma
MHC, Major Histocompatibility Complex
Mitf, Microphthalmia transcription factor
MSA, Muscle Specific Actin
NK, Natural Killer
NLPHL, Nodular Lymphocyte Predominant Hodgkin Lymphoma
NOS, Not Otherwise Specified
NSE, Neuron Specific Enolase
PanIN, Pancreatic Intraepithelial Neoplasia
PAS, Periodic Acid Schiff
PASd, Periodic Acid Schiff with Diastase Digestion
PBC, Primary Biliary Cirrhosis
PCR, Polymerase Chain Reaction
PEComa, Perivascular Epithelioid Cell (oma)
PHAT, Pleomorphic Hyalinizing Angiectatic Tumor
PMN, Polymorphonuclear Neutrophil
PNET, Primitive or Peripheral Neuroectodermal Tumor
POEMS, Polyneuropathy, Organomegaly, Endocrinopathy, Monoclonal gammopathy, Skin changes
PPNET, Peripheral Primitive Neuroectodermal Tumor
PR, Progesterone Receptor
PSA, Prostate Specific Antigen
PTGC, Progressive Transformation of Germinal Centers
PTLD, Post-transplant Lymphoproliferative Disorder
REAL, Revised European American Lymphoma (Classification)
SHML, Sinus Histocytosis with Massive Lymphadenopathy (Rosai-Dorfman Disease)
SLL, Small Lymphocytic Lymphoma
SMA, Smooth Muscle Actin
TCRBCL, T Cell Rich B Cell Lymphoma
TNM, Tumor Node Metastasis (staging scheme)
TPN, Total Parenteral Nutrition
WHO, World Health Organization