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Whakaahua Orthopedic: Ko te "Terry Thomas Sign" me te Scapholunate Dissociation

Ko Terry Thomas tetahi tangata pukuhohe rongonui o Ingarangi e mohiotia ana mo tana waahi rongonui i waenga i ona niho o mua.

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I roto i nga wharanga ringa, he momo whara ko tona ahua irirangi he rite ki te aputa niho o Terry Thomas. I kii a Frankel ki tenei ko te "tohu Terry Thomas," e mohiotia ana ko te "tohu mokowhiti niho."

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Te ahua o te reo irirangi: I te wa e wehea ana te scapholunate me te haehae o te scapholunate interosseous ligament, ko te tirohanga anteroposterior o te ringaringa, te tirohanga coronal ranei i runga i te CT e whakaatu ana i te nui ake o te waahi i waenga i te scaphoid me nga wheua maramara, he rite ki te mokowhiti niho.

Waitohu Tohu: Ko te wehewehenga Scapholunate te momo tino koretake o te ringaringa, e mohiotia ana ko te scaphoid rotary subluxation. Ko te nuinga o te wa ka puta mai i te whakakotahitanga o te toronga, te rereke o te ulnar, me te kaha o te supination e pa ana ki te taha o te ulnar palmar o te ringaringa, ka puta te pakaru o nga hononga e whakapumau ana i te pou o te scaphoid, e arai ana ki te wehe i waenga i te scaphoid me nga wheua marama. . Ka taea hoki te haea te hononga radial collateral me te radioscaphocapitate ligament.

Ko nga mahi tukurua, ko te hopu me te hurihanga o nga whara, te ngoikore o nga hononga o te whanau, me te rereketanga o te ulnar kino e hono ana ki te wehenga scapholunate.

Whakamātautau Atahanga: X-ray (me te whakataurite rua):

1. Scapholunate āputa > 2mm he hihira mo te wehewehe; ki te > 5mm, ka taea te whakatau.

2. Ko te tohu mowhiti scaphoid cortical, me te tawhiti i waenga i te rohe o raro o te mowhiti me te mata hononga tata o te scaphoid he <7mm.

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3. Whakapoto Scaphoid.

4. Kua piki ake te koki scapholunate: Ko te tikanga, ko te 45-60°; he koki radiolunate > 20° tohu Dorsal Intercalated Segment Inability (DISI).

5. Tohu "V" Palmar: I runga i te tirohanga taha taha noa o te ringaringa, ko nga tapa nikau o te metacarpal me nga wheua radial ka hanga he ahua "C". Ina he rereke te hurihanga o te scaphoid, ka whiti tona tapa nikau ki te tapa nikau o te styloid radial, ka hanga he ahua "V".

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Wā tuku: Hune-29-2024