2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Lawv tshwm sim ntawm txhua qhov chaw ntawm lub cev thiab ua tau zoo li qub, feem ntau yog puag ncig lossis oval. Lawv feem ntau tsis sib xws hauv cov xim thiab ntau yam hauv pigmentation los ntawm lub teeb mus rau xim av tsaus. Lawv feem ntau yog <7 mm los yog li ntawd nyob rau hauv txoj kab uas hla. Lawv yog cov kab mob benign tab sis muaj peev xwm hloov mus rau malignant melanoma.
Puas yog junctional nevus benign?
Junctional nevi yog benign melanocytic neoplasms nyob rau hauv cov zes tau pom tshwj xeeb hauv cov epidermis, feem ntau ntawm cov kab mob dermoepidermal (Figs.
Dab tsi yog kev sib txuas lus nevus?
Mloog cov lus. (JUNK-shuh-nul NEE-vus) Ib yam ntawm nevus (mole) pom nyob rau ntawm qhov sib txuas (kem ciam) nruab nrab ntawm cov epidermis (sab nrauv) thiab dermis (sab hauv) txheej ntawm daim tawv nqaij. Cov moles no tej zaum yuav muaj xim thiab tsa me ntsis.
Yuav tshem tawm cov kev sib txuas puas tau?
Me nevi tuaj yeem raug tshem tawm los ntawm kev phais yooj yim. Lub nevus raug txiav tawm, thiab daim tawv nqaij uas nyob ib sab stitched ua ke tawm ib qho caws pliav me me. Txawm li cas los xij, kev tshem tawm ntawm lub cev loj heev nevus, txawm li cas los xij, yuav tsum tau hloov cov tawv nqaij cuam tshuam.
Kev sib txuas ua haujlwm hauv melanoma yog dab tsi?
Dhau li ntawm, qhov tseem ceeb tshaj plaws kev kuaj mob yog qhov kev ua haujlwm ntawm cov qog nqaij hlav ntawm kev kuaj mob histopathologic (kev ua haujlwm sib txuas txhais tau tias yog kev nthuav tawm intraepithelial cuam tshuam nrog cov pigmented dendritic hlwb ntawm qhov sib txuas ntawm epithelium thiab lamina.propria).
Pom zoo:
Cancer Cancer kho tau?
Yog tias mob qog noj ntshav tau kuaj pom thaum ntxov, nws tuaj yeem kho tau nrog: phais kom tshem tawm qhov cuam tshuam ntawmoesophagus. chemotherapy, nrog los yog tsis muaj xov tooj cua kho mob (chemoradiation), tua cov qog nqaij hlav cancer thiab ntsws cov qog.
Puas yog melanocytic nevus benign?
Melanocytic nevi yog benign neoplasms lossis hamartomastsim los ntawm melanocytes, cov hlwb tsim cov xim uas ua rau colonize cov epidermis. YPuas yog melanocytic txhais tau tias melanoma? Melanocytes: Cov no yog cov hlwb uas tuaj yeem ua melanoma.
Puas yog dysplastic nevus hloov mus ua melanoma?
Puas yog dysplastic nevus hloov mus ua melanoma? Yog, tab sis feem ntau dysplastic nevi tsis tig mus rau hauv melanoma(1, 3). Feem ntau nyob ruaj khov nyob rau lub sijhawm. Ntau npaum li cas dysplastic nevus tig mus ua melanoma? Cov kws sau ntawv kwv yees tias qhov hloov pauv txhua xyoo ntawm ib qho nevus rau hauv melanoma yog li ntawm ≤1 ntawm 200,000 rau cov txiv neej thiab cov poj niam hnub nyoog qis dua 40 xyoo mus rau kwv yees 1 ntawm 33,000 rau cov txiv neej laus
Puas yog nevus plural lossis tus lej?
A nevus kuj yuav sau tau naevus. Lub plural yog nevi los yog naevi. Lo lus yog los ntawm nævus, Latin rau "birthmark". Dab tsi yog qhov ntau tshaj ntawm nevus? Nevus (los yog naevus, plural nevi lossis naevi, los ntawm nævus, Latin rau "
Nyob rau ntawm qhov chaw sib txuas neuromuscular yog dab tsi ua haujlwm ntawm junctional folds?
Junctional folds yog qhov tshwj xeeb rau kev sib tshuam neuromuscular, nce kev ntseeg tau ntawm kev sib kis los ntawm kev ua haujlwm ntawm acetylcholine receptors rau lub crests ntawm cov quav thiab txhim kho cov nyhuv ntawm depolarisation los ntawm localization ntawm sodium channels hauv troughs.
