Section 7. Introduction ofcommon tumors
Section 7. Introduction of common tumors
一.Epithelialtumor(一)Benignepithelialtumor1.Papilloma()Origin: squamous,transitional cell(2) Site: skin, vulva, urinary tract(3) Gross: papillary mass(exophytie) with pedicel(4) LMpapillaryepitheliumFinger-likeconnective tissue corestructureCanceration: papilloma of auricle tract ,penis
一 . Epithelial tumor (一) Benign epithelial tumor 1. Papilloma (1) Origin: squamous, transitional cell (2) Site: skin, vulva, urinary tract (3) Gross: papillary mass(exophytic) with pedicel (4) LM papillary epithelium connective tissue core Canceration: papilloma of auricle tract ,penis Finger-like structure
Papilloma of skinA
Papilloma of skin
2.Adenoma(1) Originr epithelium of glands or ductssecretiveepithelium(2) Site: thyroid gland,ovary,breast, intestines(3)Gross:polypus,papillary,nodular(4) LM: glands various in size, and abnormity;
2. Adenoma (1) Origin epithelium of glands or ducts secretive epithelium (2) Site: thyroid gland,ovary,breast, intestines (3) Gross: polypus, papillary, nodular (4) LM: glands various in size, and abnormity;
Commonly in ovary()Cystadenomarthyroid gland, pancreas Serous papillarycystadenoma:liable tocanceration
(1)Cystadenoma Commonly in ovary thyroid gland, pancreas ① Serous papillary cystadenoma: liable to canceration
Serouspapillary cystadenoma
Serous papillary cystadenoma
Mucinous cystadenoma
② Mucinous cystadenoma
Mucinous cystadenoma of ovary
Mucinous cystadenoma of ovary
(2)Fibroadenoma:commonlyin breast
(2) Fibroadenoma:commonly in breast
(3)Pleomorphic adenoma: Origin: glandular epithelial cells andmyoepithelialcellsSites: salivary gland, most commonlyin parotid3Lesionepithelialtissuemucoid tissuecartilage-like tissueCharacterliabletorecurrenceminority:canceriation
(3) Pleomorphic adenoma: ① Origin: glandular epithelial cells and myoepithelial cells ② Sites: salivary gland, most commonly in parotid ③ Lesion epithelial tissue mucoid tissue cartilage-like tissue ④ Character liable to recurrence minority:canceriation