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
- APC, Adenomatous Polyposis Coli
- BRRS, Bannayan-Ruvalcaba-Riley Syndrome
- CIS, Carcinoma In Situ
- CLL, Chronic Lymphocytic Leukemia
- CMV, Cytomegalovirus
- CNS, Central Nervous System
- CREST, Calcinosis, Raynaud phenomenon, Esophageal dysmotility, Sclerodactyly, Telangiectasia
- DCIS, Ductal Carcinoma In Situ
- DFSP, DermatoFibroSarcoma Protuberans
- DLBCL, Diffuse Large B Cell Lymphoma
- DSCT, Desmoplastic Small Cell Tumor
- EBV, Epstein Barr Virus
- EGFR, Epidermal Growth Factor Receptor
- EGJ, EsophagoGastric Junction
- EM, Electron Microscopy
- EMA, Epithelial Membrane Antigen
- EMR, Endoscopic subucosal resection
- ERCP, Endoscopic Retrograde CholangioPancreatography
- EVG, Elastic Van Gieson
- ER, Estrogen Receptor
- FAP, Familial Adenomatous Polyposis
- FISH, Fluorescent In Situ Hybridization
- GERD, Gastroesophageal reflux disease
- GFAP, Glial Fibrillary Acidic Protein
- GGT, Gamma-Glutamyl Transferase
- GI, Gastrointestinal
- GVHD, Graft Versus Host Disease
- HNPCC, Hereditary NonPolyposis Colon Cancer
- 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, Immunolobulin
- IOPN, Intraductal Oncocytic Papillary Neoplasm (Pancreas)
- IPMN, Intraductal Papillary Mucinous Neoplasm (Pancreas)
- IPSID, Immunoproliferative Small Intestinal Disease
- ITC, Isolated Tumor Cells
- 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
- MGMT, O-6-MethylGuanine DNA MethylTransferase
- MHC, Major Histocompatibility Complex
- Mitf, MIcrophthalmia Transcription Factor
- MMR, MisMatch Repair
- MSA, Muscle Specific Actin
- MSI-L and H, MicroSatellite Instability Low and High
- MSS, MicroSatellite Stable
- 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
- PDGFRA, Platelet Derived Growth Factor Receptor A
- 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
- PTEN, Phosphatase and TENsin homologue deleted on chromosome TEN
- 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
- SSA, Sessile Serrated Adenoma
- TCRBCL, T Cell Rich B Cell Lymphoma
- TNM, Tumor Node Metastasis (staging scheme)
- TPN, Total Parenteral Nutrition
- TSA, Traditional Serrated Adenoma
- WHO, World Health Organization