(1) Department of Pathology, Sinai Hospital of Baltimore Pathology, Baltimore, MD, USA   KeywordsBlastsLeukemiaAMLMDSHematopoiesisMyeloproliferativeCMLMonocytes Normal Histology The marrow biopsy specimen is usually taken from the iliac bone. It consists of…

(1) Department of Pathology, Sinai Hospital of Baltimore Pathology, Baltimore, MD, USA   KeywordsRenal cell carcinomaChromophobeOncocytomaAngiomyolipomaClear cellNephroblastomaMetanephric adenomaPapillary Neoplasms The kidney is primarily composed of glomeruli, tubules, stroma, and vasculature….

(1) Department of Pathology, Sinai Hospital of Baltimore Pathology, Baltimore, MD, USA   KeywordsHelicobacterGastritisOxynticAntralAtrophyLymphomaPolypsCeliac diseaseGIST Stomach The stomach is composed of several anatomic zones. Moving proximal to distal, like a…

(1) Department of Pathology, Sinai Hospital of Baltimore Pathology, Baltimore, MD, USA   KeywordsBorderlineAtypical proliferativeSerousMucinousEndometrioidBrennerClear cellSex cord stromalTeratoma The ovary is a fairly straightforward organ as far as the pathologist…

(1) Department of Pathology, Sinai Hospital of Baltimore Pathology, Baltimore, MD, USA   KeywordsGleason gradeGleason scoreProstatectomyPINProstate intraepithelial neoplasia Most biopsies are performed for an elevated prostate-specific antigen (PSA) level, a…

(1) Department of Pathology, Sinai Hospital of Baltimore Pathology, Baltimore, MD, USA   KeywordsAdenomaHyperplastic polypSerrated polypUlcerative colitisCrohn’s diseaseMucinous neoplasmAdenocarcinoma Colon biopsies are most often performed for one of three reasons:…

(1) Department of Pathology, Sinai Hospital of Baltimore Pathology, Baltimore, MD, USA   KeywordsHepatitisCholestasisBiliaryPortalSteatosisSteatohepatitisHepatocellular Liver biopsies are usually needle core biopsies. The most common reasons for a biopsy include monitoring…

(1) Department of Pathology, Sinai Hospital of Baltimore Pathology, Baltimore, MD, USA   KeywordsWhippleBile ductIslets of LangerhansPancreatitisPanINIPMNAcinarSolid pseudopapillaryPerpendicular marginEn face marginShave margin The Normal Pancreas The normal pancreas is a…

(1) Department of Pathology, Sinai Hospital of Baltimore Pathology, Baltimore, MD, USA   KeywordsChorioamnionitisMeconiumPreeclampsiaTorchVilliTrophoblastAmnionChorionUmbilical The gestational sac begins as a spherical structure, with the fetus surrounded by an amnion, a…

(1) Department of Pathology, Sinai Hospital of Baltimore Pathology, Baltimore, MD, USA   KeywordsPleomorphic adenomaAcinic cellAdenoid cysticMucoepidermoidSjögrenSialadenitisMammary analogueParotidSubmandibularSublingualWarthin tumor With the exception of pleomorphic adenoma , salivary gland neoplasms are…