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
- AIP, Acute Interstitial Pneumonia
- 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
- AML, Acute Myeloid Leukemia
- APC, Adenomatous Polyposis Coli
- BOOP, Bronchiolitis Obliterans Organizing Pneumonia
- BRRS, Bannayan-Ruvalcaba-Riley Syndrome
- CAIX, Carbonic Anhydrase IX (9)
- CIS, Carcinoma In Situ
- CLL, Chronic Lymphocytic Leukemia
- CML, Chronic Myeloid Leukemia
- CMML, Chronic Myelomonocytic Leukemia
- CMV, Cytomegalovirus
- CNS, Central Nervous System
- COP, Cryptogenic Organizing Pneumonia
- CREST, Calcinosis, Raynaud phenomenon, Esophageal dysmotility, Sclerodactyly, Telangiectasia
- DAD, Diffuse Alveolar Damage
- DCIS, Ductal Carcinoma In Situ
- DFSP, Dermatofibrosarcoma Protuberans
- DIP, Desquamative Interstitial Pneumonia
- 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
- GANT, Gastrointestinal Autonomic Nerve Tumor
- GERD, Gastroesophageal reflux disease
- GFAP, Glial Fibrillary Acidic Protein
- GGT, Gamma-Glutamyl Transferase
- GI, Gastrointestinal
- GIST, Gastrointestinal Stromal Tumor
- GVHD, Graft Versus Host Disease
- HCG, Human Chorionic Gonadotrophin
- HGDCIS, High Grade Ductal Carcinoma In SItu
- HHV8, Human Herpes Virus 8 (same as KSHV)
- HIV, Human Immunodeficiency Virus
- HNPCC, Hereditary Nonpolyposis Colon Cancer
- HPF, Microscopic High Power Field
- HRBCL, Histiocyte Rich B Cell Lymphoma
- HRCT, High Resolution Computed Tomography
- Ig, Immunoglobulin
- IOPN, Intraductal Oncocytic Papillary Neoplasm (Pancreas)
- IPMN, Intraductal Papillary Mucinous Neoplasm (Pancreas)
- IPSID, Immunoproliferative Small Intestinal Disease
- IPSS, International Prognostic Scoring System (for MDS)
- ISUP, International Society for Urinary Pathology
- ITC, Isolated Tumor Cells
- KSHV, Kaposi Sarcoma Herpes Virus (same as HHV8)
- LCA, Leukocyte Common Antigen (CD45RB)
- LCH, Langerhans Cell Histiocytosis
- LCIS, Lobular Carcinoma In Situ
- LGDCIS, Low Grade Ductal Carcinoma In Situ
- LGL, Large Granular Lymphocyte
- LIP, Lymphocytic Interstitial Pneumonia
- LPHL, Lymphocyte Predominant Hodgkin Lymphoma
- M-protein, Serum Monoclonal Immunoglobulin
- MCD, Multicentric Castleman Disease
- MDS, Myelodysplastic Synroome
- MEN1 or 2, Multiple Endocrine Neoplasia syndrome type 1 or 2
- MFH, Malignant Fibrous Histiocytoma
- MGMT, O-6-MethylGuanine DNA Methyltransferase
- MHC, Major Histocompatibility Complex
- Mitf, MIcrophthalmia Transcription Factor
- MMR, Mismatch Repair
- MPN, Myeloproliferative Neoplasm
- MPS, Myeloproliferative Syndrome (see MPN)
- MSA, Muscle Specific Actin
- MSI-L and H, Microsatellite Instability Low and High
- MSS, Microsatellite Stable
- MUTYH, mutY homolog (gene encoding an enzyme active in DNA repair)
- NF1, Neurofibromatosis type 1
- NK, Natural Killer
- NLPHL, Nodular Lymphocyte Predominant Hodgkin Lymphoma
- NSIP, Nonspecific Interstitial Pneumonia
- 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
- PPI, Proton Pump Inhibitor
- 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
- RAEB, Refractory Anemia with Excess Blasts
- RARS, Refractory Anemia with Ring Sideroblasts
- RBAILD, Respiratory Bronchiolitis Associated Interstitial Lung Disease
- RCMD, Refractory Cytopenia with Multilineage Dysplasia
- RCUD, Refractory Cytopenia with Unilineage Dysplasia
- 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, equivalent to SSP
- SSP, Sessile Serrated Polyp, equivalent to SSA
- TCRBCL, T Cell Rich B Cell Lymphoma
- TNM, Tumor Node Metastasis (staging scheme)
- TPN, Total Parenteral Nutrition
- TSA, Traditional Serrated Adenoma
- UIP, Usual Interstitial Pneumonia
- WDL, Well Differentiated Liposarcoma
- WHO, World Health Organization