Muchibatanidza, pannus inotsanangurwa seasnormally thickened synovial tissue (inonziwo synovium kana bhandi rejoini ) inobatanidza articular cartilage , rudzi rwekatekete inowanikwa muzvibatanidzwa. Sezvo synovium inowedzera uye inopararira, sangano rinowanzozadza ne synovium uye synovium isingawanzofambi inofamba ichienda nechokumusoro, iyo yekupedzisira inobereka zvero.
Mu rheumatoid arthritis, kukanganiswa kunowanzobva pamucheto wekubatana. Sezvo pannus ichifambira mberi, inogona kupindira pfupa nemafuta , uye inoparadza zvivako zvakapoteredza, zvakadai sendimi capsule uye tendons.
Kuenzanisa Pannus muOsteoarthritis uye Rheumatoid Arthritis
Hazvizivikanwi zvakawanda pamusoro pemafambiro e pannus mu osteoarthritis yakaenzaniswa ne pannus mu rheumatoid arthritis . Vatsvakurudzi vakaita chidzidzo nechinangwa chekuenzanisa osteoarthritis pannus ne rheumatoid arthritis pannus in vitro (mubasa iri) muna 2008. Zviwanikwa zvakabudiswa muKliniki uye Ongororo Rheumatology zvakawana kufanana pakati peesteoarthritis uye rheumatoid arthritis pannus - asi nei osteoarthritis pannus inopinda musango nzvimbo yepamusoro asi haisi kukonzera matanho emakona ayo anowanzoonekwa muurumatoid arthritis haina kutsanangurwa.
Muchidzidzo chacho, pannus uye synovial tissue zvakawanikwa kubva ku5 osteoarthritis varwere uye 5 varwere vemahaematoid arthritis munguva yeArthroplasty (kubatana kushandiswa), saka vakagadzirwa uye vakadzidza.
Pannus yakatsanangurwa nevanyori vekudzidza se "microscopic invasive granulation tissue yakafukidza pamusoro". Zvose zvidzidzo zvekudzidza zvakange zvine vascular uye fibrous pannus. Synovial proliferation inopinda kubva mukuputika, uye kuderera kwepiscellular matrix mapurotini kwakaratidzwa kubva muzvidzidzo zvemuviri zvakawanikwa.
Chondrocyte proliferation yakanga isiri muosteoarthritis cartilage kupfuura rheumatoid arthritis cartilage. Osteoarthritis synovial tissue yaiva nezvikamu zvishoma zveproteoglycans kupfuura rheumatoid arthritis synovial tissue. Rudzi rwechipiri collagen mazinga rwakanga rwakadzikawo muhasteoarthritis cartilage kupfuura rheumatoid arthritis cartilage. Zvikamu zvakakwirira zvakanyanya zve interleukin-1-beta zvakabatanidzwa ne rheumatoid arthritis pannus yakaenzaniswa neasteoarthritis pannus. Musoro weNATF-alpha, IL8, uye TIMP-1 yaibatanidza nezvose osteoarthritis uye rheumatoid arthritis pannus.
The Bottom Line
Zvakagumiswa kuti rheumatoid arthritis uye osteoarthritis pannus zvine zvakafanana ne-inflammatory uye anti-inflammatory cytokine kutaura. Chikonzero nei osteoarthritis pannus isingakonzereri mamiriro ekunze akaita sedheumatoid arthritis isingazivikanwi.
Kunze kubva pane pannus yezvisungo zvinowanikwa muosteoarthritis uye rheumatoid arthritis, pannus inogona kuve mune dzimwe nzvimbo, zvakadai sepamusoro pekonoa, kana paine prosthetic heart valve. Sezvo pannus inokura, inogona kuonekwa se-tumor-like.
Sources:
Rheumatoid Arthritis: Ongororo muMRI Zvikamu mu Musculoskeletal System. Hong Kong Journal of Radiology. Munk et al. 2002; 5: 63-68.
Osteoarthritis uye rheumatoid arthritis pannus vane unhu hwakanaka hwemagetsi anokonzerwa nehuwandu hwekuvhiringidza kwechitokine. Furuzawa-Carballeda J. et al. Clinical uye Ongororo Rheumatology. 2008 Jul-Aug; 26 (4): 554-60. http://www.ncbi.nlm.nih.gov/pubmed/18799084
RA Pathophysiology. Arthritis Information. Johns Hopkins. Svondo 24, 2013.
http://www.hopkinsarthritis.org/arthritis-info/rheumatoid-arthritis/ra-pathophysiology-2/