qog nqaij hlav ntawm thaj chaw perianal hauv dev tuaj yeem tshwm sim ntau heev, feem ntau yog ntawm peb hom: ib qho benign hu ua perianal adenoma, uas feem ntau cuam tshuam rau unneutered txiv neej dev; thiab ob hom malignant, adenocarcinoma ntawm lub qhov quav sacs thiab perianal adenocarcinoma, uas muaj feem ntau ntawm metastasis thiab paraneoplastic syndrome nrog hypercalcemia.
Cov tsos mob tshwm sim yog cov uas tau tshwm sim los ntawm kev loj hlob ntawm ib qho loj hauv thaj chaw rhiab ntawm cov dev, uas pib yaim, nkag thiab nws tus kheej mutilate, uas pib los ntshav, mob thiab ua rau tsis xis nyob. thiab lwm yam kab mob uas ua rau kub taub hau thiab tej zaum yuav fistulate. Kev kuaj mob tiav nrog cytology thiab biopsy thiab kev kho mob yuav yog phais thiab kho mob. Hauv tsab xov xwm no ntawm peb lub xaib peb hais txog lub ntsiab lus ntawm perianal hlav hauv dev, nws cov tsos mob thiab kev kho mob
Types of perianal hlav hauv dev
Hauv thaj chaw perianal, txuas ntxiv ntawm qhov quav thiab qhov chaw mos ntawm tus dev, cov kab mob xws li qog yuav tshwm sim. Nws yog ib qho zoo heev innervated thiab irrigated cheeb tsam, yog li mob thiab rhiab heev thaum manipulation yog heev.
Ib xyoos peb pom ob structures:
- Anal sacs: Diverticula of the blind fundus on each side of the anus, between the external and internal anal sphincter. Nws txoj haujlwm yog txhawm rau khaws cov kua nplaum thiab cov kua qaub thiab cov ntxhiab tsw ntxhiab uas yog tsim los ntawm cov qog hauv cov qog thiab uas raug tshem tawm lawm thaum lub sijhawm defecation hauv dev. Nws muaj txiaj ntsig zoo rau kev lees paub ntawm cov dev thiab tseem raug tso tawm thaum muaj kev ntxhov siab.
- Perianal glands: Kuj hu ua circumanal lossis hepatoid glands, uas muaj cov tshuaj hormones (androgens, estrogens, thiab loj hlob hormone). Lawv nyob rau hauv cov ntaub so ntswg subcutaneous ncig tus dev lub qhov quav. Cov no yog cov qog sebaceous uas tsis zais cov ntsiab lus.
Different hom qog tuaj yeem tshwm sim hauv thaj chaw perineal, feem ntau yog cov hauv qab no:
- Perianal adenoma: ib pawg yog pom ntawm lub hauv paus ntawm tus Tsov tus tw los yog hauv cheeb tsam perianal nrog kev loj hlob thiab tsis mob. Qee zaum nws tuaj yeem ua rau mob. Nws tshwm sim ntau zaus hauv cov txiv neej laus uas tsis yog castrated, yog cov qog ntau tshaj plaws hauv lawv. Txawm li cas los xij, nws kuj pom nyob rau hauv cov poj niam, tshwj xeeb tshaj yog nyob rau hauv cov neeg tsis muaj menyuam. Nws yog txheej txheem benign.
- Perianal adenocarcinoma: nws kuj yog ib qho qog ntawm cov qog perianal uas muaj cov yam ntxwv zoo ib yam li yav dhau los, tab sis malignant thiab, yog li ntawd, nrog aggressiveness ntau dua. Nws tuaj yeem muab tau rau txhua lub hnub nyoog thiab hauv kev sib deev.
- Anal sac adenocarcinoma: Qhov no yog cov qog ntau tshaj plaws hauv cov poj niam uas tsis muaj kab mob thiab cov dev laus. Hypercalcemia (nce calcium hauv cov ntshav) tshwm sim hauv cov qog no.
Nws yuav tsum raug sau tseg tias muaj qee yam kev ntxub ntxaug rau kev loj hlob ntawm cov qog perianal, ua ntau zaus hauv:
- Cocker spaniel.
- Fox terrier.
- Hmoob haiv neeg Nordic.
- Cov qe loj, tej zaum yuav txuam nrog qog qog.
Perianal Tumor Symptoms in Dogs
Nyob hauv perianal adenomas, dev thawj zaug tsis pom qhov mob los yog cov tsos mob tshwm sim. Sij hawm dhau mus, thiab yog tias lawv kis tus kab mob, lawv tuaj yeem kis tau fever, malaise and anorexia Yog tias qhov loj heev, lawv tuaj yeem ua rau mob plab hnyuv thiab mob perineal, ua rau. defecation yog ib qho nyuaj thiab mob heev rau tus dev.
perianal adenocarcinomas mob hnyav dua, thiab cov tsos mob tshwm sim yuav tshwm sim xws li poob qab los noj mov, mob. thiab lethargyLawv muaj peev xwm tsim hypercalcemia raws li ib feem ntawm cov kab mob paraneoplastic (cov tsos mob cuam tshuam nrog cov qog), nrog rau cov tsos mob tshwm sim los ntawm kev puas tsuaj los ntawm qhov nce hauv calcium hauv lub raum., xws li polyuria/polydipsia syndrome (tso zis thiab haus ntau tshaj li ib txwm).
Nyob hauv adenocarcinomas ntawm lub qhov quav cov kab mob paraneoplastic no kuj tuaj yeem tshwm sim, tab sis rau qhov tsawg dua (kwv yees li 25-50% ntawm cov dogs).
Nyob rau hauv cov ntsiab lus, hauv perianal qog dev tuaj yeem tshwm sim hauv qab no symptomatology:
- Perianal mob.
- Nkauj tawm tshiab.
- Tumor bleeding.
- Nkauj tawm tshiab 2019.
- kab mob sib kis.
- Nkauj khaus khaus.
- Anorexy.
- Polyuria.
- Polydipsia.
- Apathy.
- Ua npaws.
- Fistulas.
- Nyob.
- Hematochezia (ntshav hauv quav).
- Pab mob ntawm defecation (dyschezia).
- Nyob Defecation (tenesmus).
PHAJ DIST HAUV LUB POSTAL REGRATION.1
Cov qog no muaj peev xwm ua kom metastasize, ua ntej invading lub regional lymph nodes (inguinal thiab pelvic) thiab tom qab ntawd rau hauv lub cev.
Diagnosis of perianal qog in dogs
In case of suspicion of a malignant tumor, diagnosis imaging techniquesshould be performed in order to look for metastasis, since the 50 to 80% ntawm cov neeg mob perianal qog muaj metastases thaum lub sijhawm kuaj mob. Cov tswv yim siv yog lub plab ultrasound los soj ntsuam cov qog ntshav thiab lwm yam kabmob xws li ob lub raum lossis daim siab, thaum radiography yog qhov muaj txiaj ntsig zoo rau kev pom cov kabmob thoracic, tshwj xeeb tshaj yog lub ntsws.
Nyob hauv
Canine perianal hlav kho
. Txawm li cas los xij, nyob ntawm seb hom qog thiab seb puas muaj metastasis, kev kho mob yuav txawv:
- In case of perianal adenomas, as they are so closely related to the hormones of non-castrated txiv neej, lawv yuav tsum castration kom txo tau txoj kev pheej hmoo ntawm kev rov tshwm sim yav tom ntej, txo nws 90%.
- Thaum muaj cov kab mob metastases los yog qog nqaij hlav malignant, yuav tsum tau tshem tawm tag nrho nrog kev phais thiab kho nrog chemotherapy thiab radiotherapy.
- Nyob rau hauv lub raum tsis ua hauj lwm puas thiab hypercalcemia, kev kho mob tshwj xeeb nrog kho kua dej thiab tshuaj yuav tsum tau thov ua ntej kev phais kom txo tau cov tshuaj loog.
- Thaum qhov loj ntawm cov qog ntshav qog ua rau lub plab zom mov nyuaj, lawv yuav tsum tau muab tshem tawm kom yooj yim rau txheej txheem.
Txawm li cas los xij, nws yog ib qho tseem ceeb uas yuav tsum tau mus ntsib kws kho tsiaj kom tus kws kho mob tuaj yeem kuaj xyuas hom qog thiab txiav txim siab txog kev kho mob zoo tshaj plaws.
