Kbk.pem.Radiologi Di Bidang Rhino Otologi
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Transcript of Kbk.pem.Radiologi Di Bidang Rhino Otologi
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PEMERIKSAAN RADIOLOGI
DIBIDANG RHINO OTOLOGI
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PEMERIKSAAN - SINUS PARANASAL - MASTOID
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PEMERIKSAAN RADIOLOGI 1.FOTO KEPALA POSISI ? 2.CT Scan 3.MRI
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Pemeriksaan foto kepala POSISI : 1. Antero Posterior ( AP ) / Caldwell 2. Lateral 3. Waters 4. Submentoverteks 5. Rheze 6. Basis cranii 7. Towne
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Untuk sinus paranasal : 1. AP 2. Lateral 3. Waters
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Sinus paranasal Ta : - Sinus Maxillaris - Sinus Frontalis - Sinus Ethmoidalis - Sinus Sphenoidalis -
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Penilaian - Anatomi & variasi anatomi - Struktur tulang disekitar sinus paranasal - Kelainan patologi
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KLINIS 1.SINUSITIS : Pilek kronis , nyeri kepala kronis ,nyerikepala satu sisi nafas berbau 2.Tumor 3.Trauma
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POSISI LATERAL
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FRONTAL
TEMPORAL
MASTOID
PARIETAL
S.FRONTALIS
OCCIPITALSELLA TURCICA
S.SPHENOID
SUTURALAMBDOIDEA
SUTURA CORONARIA
S.MAXILLARIS
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POSISI AP
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ORBITA
S.MAXILLARIS
S.FRONTALIS
SUTURA CORONARIA
ZYGOMATICUS
MANDIBULA
MASTOIDEA
RAMUS MANDIBULA
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POSISI WATERS POSISI TEGAK / DUDUK
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AP WATERS
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WATERS
S.MAXILLARIS
S.FRONTALIS
ARKUS ZYGOMATIKUS
ORBITA
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AP
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LATERAL
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EVALUASI - anatomi tulang sekitar sinus - derajat radioluscent dari sinus - tebal mucosa - tumor ,dextruksi tl - pneumatisasi : - sinus frontal mulai usia 6 th & tampak jelas 8 th - sinus ethmoid & maxilla mulai usia 2 th - sinus sphenoid usia 4 th
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SINUSITIS - penebalan mucosa - air fluid level - perselubungan homogen /inhomogen - penebalan dinding sinus dgn sclerotik ( kronis )
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- PANSINUSITIS : Sinusitis seluruh sinus - Kista retensi - Polip - Tumor cavum nasi yg menyumbat sinus - Mukokel - Tumor
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Pem.CT Scan - Sinusitis - Tumor
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CT SCAN
S.MAXILLARIS
S.ETHMOIDALIS
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CT SCAN POTONGAN AXIALS.MAXILLARIS
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CT SCAN POTONGAN C0RONAR
S.FRONTALIS
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OSTEOMA
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POSISI SUBMENTOVERTEKS( basis cranii )
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Proyeksi submento verteks 1. foramen ovale 2. foramen spinosum 3. foramen lacerum 4. carotic canal 5. Sinus petrosus inferior 6. auditory canal
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Proyeksi TOWNE
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Kelainan sinus 1. sinusitis akut & kronik - sinus berselubung ( pus / cairan ) > air fluid level pd posisi water”s tegak - fase akut : > dekalsifikasi dinding sinus ok hiperaemi mucoperiosteum - fase kronik : > dinding jadi sklerotik 2. trauma - darah - fraktur 3. tumor
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Tumor - perselubungan - dextruksi tl 1. osteoma : - jinak - radioopaque ,bulat biasanya disinus frontalis 2. odontoma - biasanya di mandibula & maxilla - RO : - epithelial odontoma ( adamantinoma ) - follikular odontoma (dentigerous cyst )
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3.penebalan mukosa ( sinusitis ) - N < 1mm - > radang kronis - penebalan :- paralel dgn dinding sinus > infeksi - bergelombang > allergi -
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4. polyp - kausa biasanya allergi - RO : - bulat radioopaque dlm sinus ( paling sering sinus maxillaris,kadang sinus frontalis ). - sering disertai polip nasal
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osteoma
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Waters
GIGIi
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CA
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5. Mucocele - komplikasi dr radang - sering pada sinus frontalis > obstruksi osteum & retensi secrete > erosi dinding sinus > menipis & bulging
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6.TUMOR GANAS ( CARCINOMA )
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POLIP CHRONIC PANSINUSITIS
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MUCOCELE
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TRAUMA TULANG MUKA / WAJAH
- Fraktur ? yg sebabkan ganguan fisiologis normal sinus ,mulut ,dasar hidung & orbita - Informasi utk : . Ahli bedah . Dokter Gigi . Bedah mulut . THT . Mata
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Fraktur tulang muka 1.Dapat terjadi pd.satu tulang 2.Beberapa tulang ( fraktur komplex )
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Fraktur 1.Tulang nasal 2.Tulang frontal ,sinus frontalis 3. Arkus zygomatikus 4. Sinus ethmoidalis ,maxillaris
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Pemeriksaan Radiologi - Kepala posisi AP / Lat - Waters - Ct Scan
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Fraktur komplex A. Fraktur naso orbita B. Fraktur Trimalar ( tripod ) C. Fraktur Le Fort
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Fraktur Trimalar ( tripod ) - mengenai tulang Zygomatikus
- Waters - Ct Scan
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Fraktur Le Fort - fraktur komplex mengenai tulang wajah
- Le Fort 1 ( Transversal ) - Le Fort 2 ( Piramidal ) - Le Fort 3 ( Disfungsi Kranio fasial )
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Pemeriksaan : - kepala AP – Lat - CT Scan
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FRONTAL
TEMPORAL
MASTOID
PARIETAL
S.FRONTALIS
OCCIPITALSELLA TURCICA
S.SPHENOID
SUTURALAMBDOIDEA
SUTURA CORONARIA
S.MAXILLARIS
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POSISI AP
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ORBITA
S.MAXILLARIS
S.FRONTALIS
SUTURA CORONARIA
ZYGOMATICUS
MANDIBULA
MASTOIDEA
RAMUS MANDIBULA
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MASTOID merupakan bag pars petrosa os temporalis- Ro : posisi - schuller - towne”s - stenver - law Ct scan & MRI
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FRONTAL
TEMPORAL
MASTOID
PARIETAL
S.FRONTALIS
OCCIPITALSELLA TURCICA
S.SPHENOID
SUTURALAMBDOIDEA
SUTURA CORONARIA
S.MAXILLARIS
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POSISI AP
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ORBITA
S.MAXILLARIS
S.FRONTALIS
SUTURA CORONARIA
ZYGOMATICUS
MANDIBULA
MASTOIDEA
RAMUS MANDIBULA
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Posisi Schuller
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AIR CELL MASTOIDEA
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AIR CELLMASTOIDEA
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Gambaran CT Scan
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AIR CELLMASTOIDEA
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AIR CELL MASTOIDEA
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Kelainan mastoid - pneumatisasi proc mastoid tidak terlihat jelas Sp usia 6 th & sesudah 6 th baru terlihat jelas pembentukan pneumatisasinya
- pneumatisasi tidak sempurna > infeksi atau gangguan pertumbuhan
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1. perselubungan - ok infeksi tetapi tidak khas ok otitis media memberikan gambaran yg sama 2. dextruksi tulang - ok radang > pus > abses mastoid
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3. penebalan dinding sel - dijumpai pd mastoidis kronis Ro > sklerotik ok penimbunan kalsium
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4. Cholesteatoma
- pada mastoiditis kronis - ok perforasi membrana tympani > bag
epidermis dr meatus akustikus externus meyebar ke dlm cavum tympani & mastoid >
Desquamasi epithel > tumpukan cholesterol > Cholesteatoma
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RO : - densitas menurun didalam / didekat antrum & dikelilingi tulang yg sklerotik
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mastoiditis Type mastoiditis
1. kataral ( AKUT ) 2. sklerotik ( CHRONIC ) dgn / tanpa cholesteatoma
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CHOLESTEATOMA
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SEKIAN