# Patho Block Ib ## Urinary Pathology ## Cancers - Medullary carcinoma - lymphoplasma cell infiltration ## Reproductive Pathology ### Disease of female genital tract #### Cancers - VIN (vulvar intraepithelial neoplasia) - classic: HPV16 - differentiated: TP53 - Serous carcinoma - High grade: - BRCA-related - 從TIC (tubal intraepithelial carcinoma) of fallopian tube來的 - Mucinous carcinoma - intestinal type (KRAS) - seromucinous type (ARID1A) - Endometrioid carcinoma - Type 1 - Low grade: microsatellite instability, PTEN, ARID1A, CTNNB1 mutations - High grade: TP53 mutation - Type 2 - TP53 mutation - Yolk sac tumor - Alpha fetoprotein - Choriocarcinoma - beta-HCG - germ cell (non-gestational, pure type): chemotherapy-resistant - Endometriosis-associated tumor - Mucinous borderline tumor, endocervical-like (müllerian, seromucinous) type - Sex cord-stromal tumors - **Granulosa cell tumors**: - **estrogenic** - **Call-Exner body** - Fibromas - Sertoli-Leydig cell tumors (Androblastoma) - DICER1 gene mutation - Gonadoblastoma: coexists with dysgerminoma #### Others - Gartner duct cyst - Wolffian duct(mesonephric duct) 遺跡 - Hydatidiform Mole 葡萄胎 (complete & partial) - P57KIP2 paternally imprinted, as tumor suppressor - partial: fetal parts - complete: ### Disease of female breast - HER2-positive,high-proliferation,包含 ER +/- - related to Li-Fraumeni syndrome - Stewart-Treves syndrome - 在 edema 處 (arm) 長出angiosarcoma - Phyllodes tumor: from intralobular stroma ### Disease of male genitalia #### paratesticular cancer - Adenomatoid tumor ### Others - Orchitis - mumps ## Renal Pathology ![](https://i.imgur.com/2URCDTF.jpg) ![](https://i.imgur.com/2b3RLDN.jpg) ### Nephritis - RPGN (Rapidly Progressive GN, crescentic glomerular change) - Inflammation - Type 1: anti-GBM: Goodpasture syndrome - Type 2: IC: APSGN, SLE, IgA nephropathy - Type 3: Pauci-immune (ANCA+): Wegener granulomatosis, microscopic polyangiitis - Berger disease - IgG hinge region galactosylation defect - Mesangial matrix expansion and hypercellularity - Mesangial deposition of IgA and C3 (alternative pathway) - **Hematuria (Berger, Lupus nephritis, Alport syndrome)** - Alport syndrome - Basket weave change of GBM - Transplantation glomerulopathy (不知道要放哪個分類) - peritubular capillaries C4d deposits ### Nephrosis - Membranous glomerulonephritis (GN)/nephropathy - Subepithelial IgG - Membranoproliferative GN - Type 1: - IgG - subendothelium - Type 2: - C3 - GBM, Bowman's & renal tubule lamina densa - FSGS (focal segmental glomerulosclerosis) - cyclosporin chronic toxicity (也跟atypical hemolytic uremic syndrome [aHUS]有關) - foot process effacement - podocyte detachment - HIV-associated nephropathy - collapsing FSGS - interstitial inflammatory infiltrate - cystic dilated tubules - tubuloreticular inclusions - Diabetic nephropathy - arterial hyalinization - proteinuria - GBM thicken - Kimmelstiel-Wilson nodule: Nodular glomerulosclerosis: class III 的變化,形成一個一個 acellular nodule。 nodule 裡無細胞核,又稱為 Kimmelstiel-Wilson nodule。 - **Double contour** - Membranous GN: IC spike - Membranoproliferative GN: mesangial cell ### Disease of vessels - Nephrosclerosis: - benign: HTN --> ischemic obsolescence: BM shrink, wrinkling change, hyaline arteriolosclerosis - malignant: fibrinoid necrosis, onion skin ### Cancer * Papillary carcinoma * HGF, MET gene mutation * Clear cell RCC * VHL mutation * related to von Hippel-Lindau syndrome * Angiomyolipoma * related to tuberous sclerosis ### Gene disorder - PKD (polycystic kidney disease) - Adult: polycystin mutation ### Excretory Pathology - Interstitial cystitis - Hunner ulcer