BASIC TERMINOLOGIES AND DIFFERENT PATTERNS IN PATHOLOGY UNDERSTANDING THE FOUNDATION OF REPORTING

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BASIC TERMINOLOGIES AND DIFFERENT PATTERNS IN PATHOLOGY | UNDERSTANDING THE FOUNDATION OF REPORTING | A MUST WATCH FOR EVERY PATHOLOGIST ESPECIALLY THE POSTGRADUATES AND PATHOLOGY STUDENTS • Schaumann body: • Laminated calcified structure • Seen in sarcoidosis but rare in skin lesions • Sclerosis: • Excess connective tissue with decreased amount of fibroblasts • Shadow cells: • Cells without a nucleus due to prior cell death • Sinus: • Tract connecting cavities to each other or to the surface • Spongiform pustule of Kogoj: • Collection of neutrophils within the stratum spinosum • Associated with spongiosis at the periphery (e.g. seen in psoriasis) • Seen in psoriasis, including pustular variants • Spongiosis: • Intraepidermal edema causing splaying apart of keratinocytes in stratum spinosum (resembling a sponge) • Intercellular adhesion proteins (desmosomes) often visible • Vesicles due to shearing of desmosomes • Squamous eddies: • Whorled profiles composed of keratinocytes (e.g. seen in inverted follicular keratoses) • Storiform: • Growth pattern consisting of spindle cells arranged in a cartwheel-like pattern • Classically seen in dermatofibrosarcoma protuberans (DFSP) • Telogen: • Hair during resting phase • Ulceration: • Discontinuity of skin causing complete loss of epidermis and possible loss of dermis with accompanying surface fibrin deposition or exudate with or without granulation tissue response • Verocay body: • Structure composed of 2 nuclear palisades with central eosinophilic cytoplasmic processes • Classically seen in schwannoma • Vesicle • Von Hansemann cells: • Large macrophages containing Michaelis-Gutmann bodies seen in malakoplakia • Wheal: • Itchy, transient, elevated area with variable blanching and erythema • Due to dermal edema • #pathologyterminologies • #PathologyPatterns • #medicalterminology • #DiseaseClassification • #DiagnosticPatterns • #PathologicalFeatures • #CellularAbnormalities • #TissuePatterns • #Histopathology • #cytology • #bloodtests • #MicroscopicExamination • #GrossPathology • #Immunohistochemistry • #MolecularPathology • #TumorMarkers • #InflammatoryDiseases • #InfectiousPathology • #NeoplasticDisease • #PathologyEducation

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