Il tumore dell’ano è una neoplasia maligna che ha origine nei tessuti in prossimità dell’ano e riguarda il 4% di tutte le malattie oncologiche delle basse vie digestive. Ha un buon tasso di guarigione: la sopravvivenza a 5 anni è del 70-80%, specie se la diagnosi è precoce. E’ più frequente nelle donne, ma l’incidenza è in aumento nella popolazione omosessuale, anche a causa di alcune infezioni virali (come l’hpv) che rappresenta un importante fattore di rischio. Vediamo insieme quali sono le cause predisponenti ed i sintomi.

Quali cause per il tumore dell’ano?
La causa esatta di questa neoplasia è ancora sconosciuta, anche se sono stati identificati numerosi fattori capaci di aumentare significativamente il rischio di sviluppare le patologia. I principali sono:
- infezione da virus del papilloma umano (HPV)
- fare sesso anale o avere molti partner sessuali (probabilmente perché aumenta il rischio di sviluppare HPV)
- avere il sistema immunitario indebolito (per l’HIV o altre patologie, sempre per il sopracitato Hpv)
- avere una precedente storia di tumore della cervicem della vagina o della vulva (nelle donne è più frequente)
- fumo di sigaretta
- avere un’età superiore ai 60 anni
- storia di lesioni anali benigne
Sintomi del cancro anale
I sintomi del cancro anale sono spesso simili a condizioni più comuni e meno gravi che interessano l’ano, come le emorroidi o le ragadi anali. Tra questi dunque possiamo trovare:
- Sanguinamento dal retto (in genere è sangue rosso vivo)
- Prurito e dolore intorno all’ano
- Sensazione di pressione
- Cambiamento nelle abitudini intestinali
- Piccoli grumi localizzati
- Perdite di muco sempre dall’ano
- Incontinenza fecale
Tuttavia, alcune persone con il cancro anale non hanno alcun sintomo e difficilmente questi disturbi si manifestano nella primissima fase della malattia. In caso di tali segnali, anche se il tumore è molto più raro di ragadi ed emorroidi è sempre opportuno rivolgersi al proprio medico curante o ad uno specialista, per poter escludere il peggio e curare le malattie più benigne.
Diagnosi
In caso di dubbi il medico può prescrivere una serie di test e visite. Si può eseguire un esame addominale e rettale e/o procedere con
- sigmoidoscopia – (si inserisce un tubicino dotato di telecamera per osservare la presenza di eventuali lesioni o anomalie)
- proctoscopia – (simile al test precedente)
- biopsia – (con le due tecniche precedenti si può prelevare del tessuto sospetto che viene poi esaminato al microscopio)
Se questi test diagnosticano un cancro anale, diventa opportuna una scansione di tutto il corpo per verificare la presenza di metastasi e dunque il grado eventuale di diffusione della malattia.
Prevenzione
La maggioranza dei casi di tumore dell’ano è correlata ad infezione da HPV ed il vaccino per questo virus ha dimostrato di ridurre l’incidenza delle lesioni potenzialmente precancerose, per tale motivo si ritiene che una vaccinazione preventiva nella popolazione sessualmente attiva possa ridurre anche l’ncidenza del cancro.
Potrennero interessarvi anche i seguenti post su argomenti simili:
Foto: Thinkstock
Fonte: Nhs.uk
cialis prix [url=https://ciasansordonnance.com/#]cialis prix[/url] cialis prix
Pharmacies en ligne certifiees: pharmacie en ligne pas cher – pharmacie en ligne avec ordonnance
Acheter Cialis: acheter Cialis sans ordonnance – Cialis sans ordonnance 24h
traitement ED discret en ligne [url=https://ciasansordonnance.shop/#]cialis prix[/url] cialis generique
viagra en ligne: Meilleur Viagra sans ordonnance 24h – Acheter du Viagra sans ordonnance
Acheter Cialis [url=http://ciasansordonnance.com/#]commander Cialis en ligne sans prescription[/url] acheter Cialis sans ordonnance
https://kampascher.shop/# kamagra oral jelly
cialis sans ordonnance: Cialis sans ordonnance 24h – traitement ED discret en ligne
Cialis generique sans ordonnance [url=https://ciasansordonnance.shop/#]traitement ED discret en ligne[/url] pharmacie en ligne france fiable
kamagra oral jelly: pharmacies en ligne certifiГ©es – kamagra livraison 24h
kamagra pas cher [url=https://kampascher.com/#]kamagra en ligne[/url] commander Kamagra en ligne
pillola abortiva farmacia online: farmacia de burgos online – se puede comprar dacortin sin receta
https://pharmacieexpress.com/# cialis 5 mg prix
zitromax sospensione orale: dr max ancona – farmacia a domicilio vicino a me
fluocaril bi-fluorГ© 2500 ppm [url=http://pharmacieexpress.com/#]Pharmacie Express[/url] quel antibiotique pour chat sans ordonnance
spedra sans ordonnance pharmacie france: medicament trouble de l Г©rГ©ction sans ordonnance en pharmacie – buy sildenafil
cupon descuento mi farmacia online: farmacia aveiro online – kamagra oral jelly in farmacia italia online
viasil en pharmacie sans ordonnance: peut on faire un test covid en pharmacie sans ordonnance – a derma epitheliale duo
magaltop bustine [url=https://farmaciasubito.com/#]niklod 200 a cosa serve[/url] doricum gocce bambini
https://pharmacieexpress.com/# viagra homme prix en pharmacie sans ordonnance quГ©bec
farmacia online florianopolis: farmacia online navarra – comprar doxiciclina sin receta
lansoprazolo 15 mg prezzo [url=https://farmaciasubito.shop/#]xylocaina crema[/url] buccolam 10 mg
bioderma anti rougeur: doliprane 1000 suppositoire – betamethasone avec ou sans ordonnance
farmacia online con ricetta medica: yellox collirio – clexane 4000
pharmacie en ligne sans ordonnance tramadol: viagra générique en pharmacie sans ordonnance – collyre sans ordonnance bébé
mГ©dicament pour les dents sans ordonnance [url=https://pharmacieexpress.com/#]salagen sans ordonnance[/url] mГ©dicament douleur dentaire sans ordonnance
https://confiapharma.shop/# farmacia online cialis
farmacia vento: bivis 20/5 prezzo – quanto costa la cardioaspirina senza ricetta
se puede comprar viagra sin receta 2015: Confia Pharma – productos de farmacia online baratos
farmacia en francia online [url=https://confiapharma.shop/#]ozempic puedo comprar sin receta[/url] farmacia compra online espaГ±a
lasix 25 mg prezzo: Farmacia Subito – tobral collirio prezzo
ordonnance liste 1: vaccin grippe pharmacie sans ordonnance – mГ©dicament pour le stress sans ordonnance
durex jeans [url=https://pharmacieexpress.com/#]comment avoir de l’amoxicilline sans ordonnance[/url] mГ©dicament stress sans ordonnance
https://farmaciasubito.shop/# roipnol prezzo
mejor farmacia online 2020: nuvaring comprar sin receta – se puede comprar otix sin receta
comprar previcox sin receta: donde puedo comprar fluconazol sin receta – farmacia online cialis 10 mg
slim ventre: dentifrice fluoré 2500 ppm – cialis prix en pharmacie
pharmacie qui vend du cialis sans ordonnance [url=http://pharmacieexpress.com/#]cialis 10 mg acheter[/url] amoxicilline sans ordonnance en ligne
farmacia online trieste: farmacia order cialis professional online – los anticonceptivos se pueden comprar sin receta
besoin ordonnance pour orl: Pharmacie Express – peut on acheter du viagra en pharmacie sans ordonnance en belgique
se puede comprar amoxicilina sin receta mГ©dica [url=https://confiapharma.shop/#]Confia Pharma[/url] farmacia online omifin
creme avec cortisone sans ordonnance: Pharmacie Express – crГЁme – mГ©tronidazole sans ordonnance
https://farmaciasubito.shop/# farmacia online mascherine ffp2 bambini
quel est l’anti douleur le plus puissant sans ordonnance ?: bi profenid sans ordonnance – mГ©dicament sans ordonnance otite
medicament pour infection urinaire femme sans ordonnance [url=https://pharmacieexpress.com/#]Pharmacie Express[/url] ketum gel sans ordonnance
farmacia en casa online s l: Confia Pharma – opiniones farmacia morlan online
fer pharmacie sans ordonnance: infection urinaire traitement sans ordonnance en pharmacie – kamagra en pharmacie sans ordonnance
se puede comprar alopurinol sin receta [url=http://confiapharma.com/#]farmacia online rosa mosqueta[/url] se puede comprar clenbuterol sin receta
comprar tadalafilo sin receta: comprar acido folico sin receta – donde comprar lorazepam sin receta
https://confiapharma.shop/# emla crema farmacia online
mounjaro farmacia online: farmacia shop online – laurea online in farmacia
farmacia top online [url=http://farmaciasubito.com/#]Farmacia Subito[/url] decoderm crema
https://pharmacieexpress.com/# aderma gel douche
nerisone crГЁme sans ordonnance: vente viagra en ligne – amoxicilline pharmacie sans ordonnance
pharmacie vente sans ordonnance [url=http://pharmacieexpress.com/#]parfum musti bГ©bГ©[/url] brГ»leur de graisse en pharmacie sans ordonnance
pharmacie qui vend viagra sans ordonnance lyon: condylome traitement sans ordonnance pharmacie – brosse à dents gum
farmacia online casa: comprar cialis en farmacias de madrid sin receta – farmacia online sabadell
comprar metformina espaГ±a sin receta [url=http://confiapharma.com/#]Confia Pharma[/url] donde puedo comprar monurol sin receta
https://confiapharma.com/# comprar dutasterida sin receta
peut ton acheter du viagra en pharmacie sans ordonnance: savon cavailles – diurГ©tique pharmacie sans ordonnance
zopiclone ordonnance sГ©curisГ©e: acheter du viagra en pharmacie sans ordonnance – huile demaquillante payot
farmacia online forum: Confia Pharma – se puede comprar topiramato sin receta
ansiolin gocce: intrarosa ovuli miglior prezzo – colimix
farmacia monti tiburtini [url=http://farmaciasubito.com/#]dostinex 8 compresse prezzo[/url] farmacia veterinaria online con ricetta
http://farmaciasubito.com/# cerotti antinfiammatori spalla migliori
attache sucette dodie: Pharmacie Express – ordonnance rhumatologue
keforal 500 per cani prezzo: farmacia online shop – nosifol-d per rimanere incinta
puedo comprar salbutamol sin receta [url=https://confiapharma.shop/#]farmacia online mas barata madrid[/url] venta de farmacia online
farmacia online+barata: Confia Pharma – dymista farmacia online
colilen dopo quanto fa effetto [url=https://farmaciasubito.com/#]Farmacia Subito[/url] clexane 4000
pharmacy council of india: best online pharmacy in india – pharmacy in india
https://pharmexpress24.shop/# cheapest pharmacy to buy cialis
mexican pharmacy testosterone price [url=https://pharmmex.shop/#]tramadol mexican pharmacy[/url] cheap antibiotics online
https://inpharm24.com/# top online pharmacy india
target pharmacy lexapro cost: Cardura – medical pharmacy south
online india pharmacy reviews [url=http://inpharm24.com/#]buy medicine online[/url] get medicines from india
india meds: online medicine delivery in india – career after b pharmacy in india
online pharmacy in mexico: Pharm Mex – mГ©xico farmacia online
http://pharmmex.com/# can i buy mounjaro in mexico
best drugs to buy in mexico [url=https://pharmmex.shop/#]mexican pharmacy cytomel[/url] best mexican online pharmacy
can i buy antibiotics in mexico: tramadol from mexico to us – legitimate mexican pharmacy
advair pharmacy coupons: kaiser pharmacy – cheap pharmacy cialis
mexican pharmacy no rx: Pharm Mex – us pharmacy online
online shop for medicine [url=https://pharmmex.com/#]Pharm Mex[/url] phentermine over the counter in mexico
india pharmacy online: india mart pharmacy – medical store online
xlpharmacy generic cialis: Pharm Express 24 – apollo pharmacy store locator
mexican pharmacy t3: sudafed in mexico – is mexican export pharmacy legit
https://inpharm24.shop/# п»їindia pharmacy
best pharmacy franchise in india: InPharm24 – best online pharmacy in india
premarin online pharmacy [url=https://pharmexpress24.com/#]Flagyl[/url] global pharmacy viagra
health express pharmacy artane: Super ED Trial Pack – online pharmacy delivery delhi
online drug store: mexican pharmacy ship to usa – progreso mexico pharmacy online
mexican pharmacy reviews [url=http://pharmmex.com/#]Pharm Mex[/url] prescription drugs mexico
online pharmacy modafinil: Pharm Express 24 – target pharmacy clomid price
lorazepam mexican pharmacy: Pharm Mex – mexican pharmacies
http://pharmexpress24.com/# levitra pharmacy price
viagra uk pharmacy online [url=http://pharmexpress24.com/#]Pharm Express 24[/url] northwest pharmacy
best online pharmacy in india: when first pharmacy course was started in india – dandruff shampoo india pharmacy
cancun pharmacy: accurate pharmacy – best canadian pharmacy for u.s. citizens
buy online medicine: india drug store – india pharmacy market outlook
publix pharmacy [url=http://pharmexpress24.com/#]Pharm Express 24[/url] Allegra
buy pain killer online: Pharm Mex – how much is ozempic in mexico pharmacy
zofran online pharmacy: legitimate online pharmacy – clozapine pharmacy requirements
https://inpharm24.com/# india pharmacy viagra
pharmacy drugs online: Pharm Mex – meds.com.mx
cheap antibiotics online [url=https://pharmmex.shop/#]buying tramadol in mexico[/url] farmacias online usa
online pharmacy weight loss: online pharmacy wellbutrin xl – chinese online pharmacy
career after b pharmacy in india: best pharmacy in india – divya pharmacy india
india pharmacy reviews [url=https://inpharm24.com/#]medications from india[/url] india medicine
mexican drug stores: mexican export pharmacy reviews – online pharmacies with adderall
mexican viagra pharmacy [url=http://pharmmex.com/#]mounjaro cost in mexico[/url] ozempic medication in mexico
drugstore online usa: mexican meds – online pharmacies in mexico
http://inpharm24.com/# prescriptions from india
mexican phentermine vs american: how to buy ozempic in mexico – pharmacies in progreso mexico
generic cialis india pharmacy [url=https://inpharm24.shop/#]india pharmacy market[/url] medicine online shopping
best online pharmacy in india [url=https://inpharm24.shop/#]InPharm24[/url] pharmacy in india
buy drugs from india: india e-pharmacy market size 2025 – medplus pharmacy india
australia generic viagra: canadian pharmacy viagra no prescription – where can i get viagra
https://vgrsources.com/# viagra online mastercard
online order viagra in india [url=https://vgrsources.com/#]cost of viagra australia[/url] buy viagra australia paypal
how much is viagra online: female viagra – canadian pharmacy viagra uk
viagra pills for sale: viagra online canada generic – usa pharmacy online viagra
how much is a 100mg viagra pill: where to order real viagra – viagra price list
how do i get viagra online: average cost of 100mg viagra – best place buy viagra online
female viagra medicine price in india [url=https://vgrsources.com/#]VGR Sources[/url] buy viagra online mastercard
generic viagra from us: viagra usa online – best over the counter viagra pill
viagra for female price: VGR Sources – buy female viagra canada
https://vgrsources.com/# viagra pills no prescription
viagra canada online: sildenafil generic cheap – buy cheap viagra
generic viagra 50mg online [url=https://vgrsources.com/#]VGR Sources[/url] viagra uk cost
viagra generic: VGR Sources – generic sildenafil 100mg tablet
sildenafil brand name india: cheap brand viagra 100mg – buy sildenafil with paypal
viagra online canada paypal [url=https://vgrsources.com/#]order viagra without prescription[/url] sildenafil 100mg price usa
where to get sildenafil online: can i purchase viagra over the counter in canada – generic viagra united states
https://vgrsources.com/# sildenafil medication
generic viagra 50: where to buy viagra over the counter – viagra soft 100mg online canadian pharmacy
sildenafil 20 mg tablet brand name [url=https://vgrsources.com/#]VGR Sources[/url] viagra 100mg uk price
cost of sildenafil in india: VGR Sources – 3 viagra pills
buy generic viagra online free shipping: VGR Sources – generic viagra from canada pharmacy
cheap generic viagra 50mg [url=https://vgrsources.com/#]generic viagra online pharmacy india[/url] buy viagra online discount
viagra prescriptions: VGR Sources – discount pharmacy sildenafil
https://vgrsources.com/# buy sildenafil
how to order viagra in canada [url=https://vgrsources.com/#]VGR Sources[/url] how to buy genuine viagra online
sildenafil generic without prescription: purchase viagra tablets – viagra generic name
buy female viagra online uk: sildenafil over the counter australia – sildenafil medication
sildenafil generic no prescription [url=https://vgrsources.com/#]VGR Sources[/url] female viagra paypal
sildenafil 50mg prices: sildenafil 200mg – women viagra online no prescription
over the counter viagra 2017: where can i buy viagra canada – cheap canadian viagra online
https://vgrsources.com/# buy viagra for female online
buy viagra online usa paypal: where can i buy viagra online safely – sildenafil best price canada
buy viagra 200mg: online canadian pharmacy viagra – generic viagra for sale
generic viagra online uk [url=https://vgrsources.com/#]viagra in india[/url] viagra 50mg Preis
price of sildenafil citrate: viagra 100 coupon – safe generic viagra
generic viagra canada pharmacy: how to get sildenafil online – real viagra for sale canada
https://vgrsources.com/# sildenafil discount price
viagra online free shipping: sildenafil canada cost – viagra 100 price in india
cheapest sildenafil 100 mg online [url=https://vgrsources.com/#]online order viagra in india[/url] buy real viagra online india
cost of sildenafil in mexico: VGR Sources – cheap viagra mexico
viagra cost in india: VGR Sources – buy generic viagra
viagra from canadian pharmacy: sildenafil tablets 50mg price – viagra store
no prescription viagra canada [url=https://vgrsources.com/#]genuine viagra for sale[/url] generic sildenafil 20 mg
where can i buy generic viagra online: VGR Sources – sildenafil 680
viagra for sale fast shipping: viagra pharmacy australia – best online sildenafil prescription
buy cheap viagra: VGR Sources – viagra cost mexico
https://vgrsources.com/# viagra 10mg price in india
what is sildenafil [url=https://vgrsources.com/#]generic sildenafil 20 mg[/url] buy viagra fast shipping
where can i buy viagra in usa: VGR Sources – sildenafil without prescription
viagra 150 mg online [url=https://vgrsources.com/#]buy discount viagra[/url] how to order viagra from mexico
viagra mexico online: viagra fast delivery – viagra 1998
sildenafil canada prescription: VGR Sources – buy generic viagra 50mg online
buy viagra via paypal: VGR Sources – sildenafil comparison
https://lipipharm.com/# can lipitor be taken in the morning
Predni Pharm: prednisone 10mg tabs – medicine prednisone 5mg
PredniPharm [url=http://prednipharm.com/#]PredniPharm[/url] buy generic prednisone online
Affordable Lipitor alternatives USA: Generic Lipitor fast delivery – Buy Lipitor without prescription USA
PredniPharm: PredniPharm – prednisone 20 mg
FDA-approved Rybelsus alternative [url=https://semaglupharm.com/#]Semaglutide tablets without prescription[/url] rybelsus coupon
SemagluPharm: semaglutide headache – Where to buy Semaglutide legally
http://prednipharm.com/# prednisone 1 mg daily
FDA-approved generic statins online: LipiPharm – п»їBuy Lipitor without prescription USA
PredniPharm: Predni Pharm – prescription prednisone cost
LipiPharm [url=http://lipipharm.com/#]Lipi Pharm[/url] Lipi Pharm
prednisone buying: prednisone in mexico – Predni Pharm
Rybelsus 3mg 7mg 14mg: Online pharmacy Rybelsus – SemagluPharm
prednisone 5 mg tablet without a prescription: PredniPharm – Predni Pharm
https://lipipharm.com/# how to stop taking lipitor
No prescription diabetes meds online [url=http://semaglupharm.com/#]SemagluPharm[/url] SemagluPharm
CrestorPharm: No doctor visit required statins – Crestor Pharm
Lipi Pharm: LipiPharm – lipitor lawsuit commercial
Over-the-counter Crestor USA [url=http://crestorpharm.com/#]Crestor Pharm[/url] Generic Crestor for high cholesterol
No prescription diabetes meds online: Affordable Rybelsus price – rybelsus patient assistance program
Crestor Pharm: Online statin therapy without RX – No doctor visit required statins
http://prednipharm.com/# prednisone 10mg tablets
PredniPharm [url=https://prednipharm.shop/#]PredniPharm[/url] Predni Pharm
Lipi Pharm: Discreet shipping for Lipitor – Safe atorvastatin purchase without RX
prednisone 15 mg tablet: 60 mg prednisone daily – online order prednisone 10mg
Semaglu Pharm: Rybelsus side effects and dosage – Semaglu Pharm
PredniPharm [url=http://prednipharm.com/#]Predni Pharm[/url] prednisone 1 tablet
Crestor Pharm: crestor 20 mg side effects – CrestorPharm
LipiPharm: atorvastatin without calcium – LipiPharm