Pachiphatikizidwe, pannus imatanthauzidwa ngati minofu yosavomerezeka ya synovial (yomwe imatchedwanso synovium kapena chigoba cha mgwirizano) umene umaphatikizapo kanyama kakang'ono kameneka , kamtundu kaketi kamene kamapezeka m'magulu. Pamene synovium imakula ndipo imafalikira, mgwirizano umadzala ndi synovium ndipo synovium yodutsa imayenda m'mphepete mwa kanyumba kameneka, kenaka imabala zokopa.
Mu nyamakazi ya nyamakazi, ziphuphu zimayambira pamphepete mwa mgwirizano. Pamene pannus ikupita, imatha kuwononga mafupa ndi mafupa , ndi kuwononga zipangizo zozungulira, monga chophatikizapo capsule ndi tendons.
Kuyerekezera Pannus mu Osteoarthritis ndi Rumatoid Arthritis
Palibe zambiri zomwe zimadziwika ndi khalidwe la pannus mu osteoarthritis poyerekeza ndi pannus mu nyamakazi ya nyamakazi . Ochita kafukufuku anachita phunziro pofuna kufotokoza osteoarthritis pannus ndi matenda a nyamakazi m'thupi (in laboratory) m'chaka cha 2008. Zotsatira zofalitsidwa mu Clinical and Experimental Rheumatology zapeza kufanana pakati pa mafupa a osteoarthritis ndi nyamakazi ya nyamakazi - koma chifukwa chiyani mafupa a osteoarthritis amalowa m'tchire pamwamba koma sichimayambitsa zovuta zapakati pambali zomwe zimapezeka mu nyamakazi ya nyamakazi sizinafotokozedwe.
Phunziroli, pannus ndi synovial minofu zinapezeka kuchokera ku odwala 5 osteoarthritis ndi odwala 5 amthemphamakazi mu arthroplasty (olowa m'malo), ndiye anali otukuka ndi kuphunzira.
Pannus imatanthauzidwa ndi olemba ophunzirira monga "minofu yodabwitsa kwambiri yowonongeka yapamwamba". Zophunzira zonsezi zinali zolimba komanso zolimba kwambiri. Kuchulukitsa kwa synovial kumalowa kuchokera ku kutupa, ndipo kuchepa kwa mapuloteni ena owonjezera omwe amapezeka m'matumbo omwe anapezeka.
Kufalikira kwa chondrocyte kunali kochepa m'magazi a osteoarthritis cartilage kuposa matenda a nyamakazi ya nyamakazi. Matenda a mitsempha ya osteoarthritis synovial anali ndi m'munsi mwa proteoglycans kuposa matenda a nyamakazi a nyamakazi. Mitundu ya collagine ya mtundu II inali yochepetsetsa m'magazi a osteoarthritis cartilage kusiyana ndi matenda a nyamakazi ya nyamakazi. Mapulogalamu apamwamba kwambiri a interleukin-1-beta ankagwirizanitsidwa ndi matenda a nyamakazi a nyamakazi poyerekezera ndi mafupa a osteoarthritis pannus. Maseŵera apamwamba a TNF-alpha, IL8, ndi TIMP-1 anagwirizanitsidwa ndi onse osteoarthritis ndi matenda a nyamakazi a nyamakazi.
Mfundo Yofunika Kwambiri
Zinagwiritsidwa ntchito kuti nyamakazi ya nyamakazi ndi osteoarthritis pannus zimakhala zofanana ndi zotupa komanso zotsutsa kutukusira kwa cytokine . Chifukwa chake osteoarthritis pannus sichimayambitsa mavuto a m'mphepete mwa nyamakazi monga nyamakazi ya nyamakazi.
Kuwonjezera pa ziwalo za mafupa osteoarthritis ndi nyamakazi ya nyamakazi, pannus ikhoza kumalo ena, monga pamwamba pa cornea, kapena pa valve mtima valve valve. Pamene pannus ikukula, ikhoza kuoneka ngati chotupa.
Zotsatira:
Matenda a Matenda a Khunyu: Kafufuzidwe mu MRI Mbali Zamagetsi Zamtundu wa Musculoskeletal System. Hong Kong Journal of Radiology. Munk et al. 2002; 5: 63-68.
Osteoarthritis ndi nyamakazi ya nyamakazi ya nyamakazi imakhala ndi khalidwe lofananako lachidziwitso cha kachipangizo kamene imakhala ndi mavitamini otchedwa cytokine. Furuzawa-Carballeda J. et al. Kachipatala ndi Zofufuza za Rheumatology. 2008 Jul-Aug; 26 (4): 554-60. http://www.ncbi.nlm.nih.gov/pubmed/18799084
RA Pathophysiology. Chidziwitso cha Amagazi. Johns Hopkins. September 24, 2013.
http://www.hopkinsarthritis.org/arthritis-info/rheumatoid-arthritis/ra-pathophysiology-2/