(1) Department of Pathology, Sinai Hospital of Baltimore Pathology, Baltimore, MD, USA   KeywordsHPVHSILLSILCone biopsyEndocervicalCINVaINVINAIS Cervical biopsies are common and nearly always performed for the purpose of evaluating squamous or…

(1) Department of Pathology, Sinai Hospital of Baltimore Pathology, Baltimore, MD, USA   KeywordsEndometriumMyometriumInfertilityPregnancyLeiomyomaSerousEndometrioid The endometrium is a cycling glandular and stromal layer overlying the myometrium of the uterus ….

(1) Department of Pathology, Sinai Hospital of Baltimore Pathology, Baltimore, MD, USA   KeywordsFollicularPapillaryAnaplasticMedullaryHyalinizing trabecular adenomaThyroglossalBranchial cleft cystHürthle The thyroid has two basic cell types: the follicular epithelium (TTF-1, PAX8,…

(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…