Pathology Outlines - Pseudoangiomatous stromal hyperplasia
Apr 17, 2024 · CD34+, CD31-, ER+, factor VIII-. This immunoprofile is indicative of PASH. Answer D is incorrect because the immunoprofile is most consistent with angiosarcoma or other vascular lesions, with positive vascular markers. Answer A is incorrect because it is the immunoprofile for fibromatosis with positive nuclear beta catenin.
Pathology Outlines - Myofibroblastoma
Jan 18, 2021 · Pseudoangiomatous stromal hyperplasia (PASH): Empty, anastomosing spaces within collagen Usually not mass forming Rb1 positive by immunohistochemistry and lacks del 13q14 Similar immunoprofile (CD34 positive, desmin positive [variable], ER, PR and AR positive) Solitary fibrous tumor: STAT6 positive (Pathol Res Pract 2018;214:1544)
Pathology Outlines - Radial scar / complex sclerosing lesion
Aug 18, 2020 · Right breast, needle core biopsy: Radial scar (see comment) Microcalcifications: associated with radial scar
Pathology Outlines - Fibroadenomatoid change
Aug 26, 2024 · D.Fibroadenomatoid change. Proliferation of fibrous interlobular stroma with indistinct borders in a background of fibrocystic change defines this as fibroadenomatoid change.
Pathology Outlines - Gynecomastia
Aug 20, 2024 · Other findings can include pseudoangiomatous stromal hyperplasia (PASH), apocrine or squamous metaplasia Atypical ductal hyperplasia (ADH) in 0.4 - 5.4% (Ann Plast Surg 2015;74:163, Histopathology 2015;66:398) Not clearly …
Pathology Outlines - Usual ductal hyperplasia
Feb 11, 2021 · Atypical ductal hyperplasia / low grade ductal carcinoma in situ: . Monomorphic cell population Round to oval nuclei with homogeneous, fine and hyperchromatic chromatin; inconspicuous nucleoli; and smooth nuclear contours
Pathology Outlines - PathologyOutlines.com
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Pathology Outlines - Fibroadenoma
Oct 18, 2024 · Breast nonmalignant - Fibroadenoma is a benign biphasic tumor composed of a proliferation of both glandular epithelial and stromal components of the terminal duct lobular unit
Pathology Outlines - Breast
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Metabolic dysfunction associated steatotic liver disease (MASLD ...
Apr 10, 2025 · As described above, metabolic dysfunction associated steatotic liver disease (MASLD) refers to any fatty liver disease caused by metabolic dysregulation and metabolic dysfunction associated steatohepatitis (MASH) refers to an aggressive form of the disease characterized by inflammation and ballooning in addition to steatosis (see Diagrams / tables)