Boala prin depunere de fosfat de calciu bazic (FCB) Flashcards

1
Q

Cristalele de fosfat de calciu bazic (FCB)

A

Hidroxiapatita

Fosfat tricalcic

Fosfat octacalcic

se depun in orice tesuturi, in special

intra-articular

peri-articular

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2
Q

Formarea cristalelor de FCB este considerata a fi partial controlata de

A

efectele fosfatului anorganic extracelular asupra condrocitelor

legata de dezvoltarea artrozei

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3
Q

Cristalele de FCB provoaca leziuni articulare prin

A

inducerea

proliferarii fibroblastelor

citokinelor inflamatorii (IL-1B + TNF-a)

oxid nitric

metaloproteinazelor

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4
Q

Depozitele de cristale de FCB in tesutul moale peri-articular pot fi

A

asimptomatice

periartrita calcifianta acuta (tendonul supraspinos)

tendinita

bursita

entezita

mai rar → artrite

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5
Q

Prezentarea din atacurile acute

tesuturi peri-articulare / articulatii

tumefiate

dureroase

calde

poate imita

A

celulita

guta

boala prin depunere de PFCD

artrita septica

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6
Q

Depozitele peri-articulare / articulare de cristale de FCB se gasesc, de asemenea intr-o

A

artropatie cronica extrem de distructiva → persoanele in varsta → umeri

UMARUL MILWAUKEE

alte articulatii mari → solduri + genunchi

artroza eroziva a mainii

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7
Q

Diagnostic

A

clinic

excludem artrita septica

poate aparea

neutrofilie + ⇑ VSH si PCR

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8
Q

Pe radiografie se pot observa

A

calcificarile intra / peri-articulare

+/- modificari erozive / distructive / hipertrofice

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9
Q

Coloratia alizarin rosu S

A

NU este specifica pt cristale de FCB in lichidul sinovial

si alte particule care contin calciu sunt colorate prin metoda asta

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10
Q

Tratament

A

similar cu cel al bolii prin depunere de PFCD

AINS / colchicina oral

aspiratie revarsat sinovial

injectare intra/peri-articulara de glucocorticoizi

artroplastie → artropatie distructiva severa a articulatiilor mari

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