(1) Department of Pathology, Sinai Hospital of Baltimore Pathology, Baltimore, MD, USA   KeywordsLipomaLiposarcomaLeiomyomaLeiomyosarcomaRhabdomyosarcomaDesmoidMyxofibrosarcomaHemangiomaAngiosarcomaSynovial sarcoma Tumors of soft tissue are among the most challenging in surgical pathology. There are several…

(1) Department of Pathology, Sinai Hospital of Baltimore Pathology, Baltimore, MD, USA   KeywordsAstrocytomaOligodendrogliomaMeningiomaTeratomaCraniopharyngiomaHemangioblastomaSchwannomaGlialMicrovascular proliferationGlioblastomaEpendymoma The pathology of the central nervous system (CNS) is an intimidating area for pathologists. In…

(1) Department of Pathology, Sinai Hospital of Baltimore Pathology, Baltimore, MD, USA   KeywordsInflammationGranulomaFungiVirusesParasitesBacteriaAcuteChronic Let’s review the types of inflammatory responses you may see. It seems very basic, but learning…

(1) Department of Pathology, Sinai Hospital of Baltimore Pathology, Baltimore, MD, USA   KeywordsNevusMelanomaMelanocyticBasal cellSquamous cellMerkel cellLentigoActinic keratosisEpidermisDermisVerrucous The discussion of the skin will be divided into three subsections: melanocytic…

(1) Department of Pathology, Sinai Hospital of Baltimore Pathology, Baltimore, MD, USA   KeywordsLymphomaLymphoblasticHodgkinLymphocyticMantle cellMarginal zoneFollicular lymphomaFlow cytometryBurkittHairy cell leukemia The original version of this chapter was revised. An erratum…

(1) Department of Pathology, Sinai Hospital of Baltimore Pathology, Baltimore, MD, USA   KeywordsTonsilSinusitisCholesteatomaCarotidIntervertebral discParathyroidHeart valveGallbladderAppendixHerniaOsteoarthritisChalazionDebridement Ditzel (slang): A word used to describe any part of the body that is…

(1) Department of Pathology, Sinai Hospital of Baltimore Pathology, Baltimore, MD, USA   KeywordsLobularDuctalDCISLCISFibroadenomaPhyllodesApocrinePapillomaMastectomy Breast biopsy specimens come in several sizes. There is the core biopsy, which is a large-bore…

(1) Department of Pathology, Sinai Hospital of Baltimore Pathology, Baltimore, MD, USA   KeywordsOsteosarcomaChondrosarcomaOsteoidOsteochondromaEnchondrom aGiant cell tumor of the boneChondroblastom aEwing sarco ma For tumors of the bone , involving…

(1) Department of Pathology, Sinai Hospital of Baltimore Pathology, Baltimore, MD, USA   KeywordsInterstitial lung diseaseGranulomasOrganizing pneumoniaBronchiAlveoliPneumoniaCarcinoidPulmonaryAllergic Normal Histology The lungs consist of principally four compartments: the large airways (bronchi),…