Emergency in Radiology (Abdomen)

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    Emergency inRadiology (Abdomen

    Renata Nurul setyawati 20090310094

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    PendahuluanPemeriksaan radiografi polos dalam kasus kedaruratan di negara maju perannyasudah semakin sempit dan diganti dengan teknologi CT scan serta perangkatdigital lainnya termasuk USG dan MRI meskipun demikian, alat tersebut masihtetap dipakai karena murah, mudah dan cepat untuk kasus tertentu

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    Penilaian pada foto polos abdomen

    Preperitoneal fat line

    Psoas line

    Pola udara dalam saluran cerna

    Adanya udara bebas

    Soft tissue mass(+)/(-)

    Kalsifikasi (+) / (-)

    Tulang

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    FOTO POLOS ABDOMEN

    A Normal plain film of the abdomen. The lower margins of the posteriorportion of the liver, the hepatic angle (H), and the lower part of thespleen (S) are delineated by a fat shadow. Both kidneys (K) and thepsoas muscle shadows (arrowheads ) are outlined by a fat shadow. Theproperitoneal fat stripe is also shown bilaterally (arrows ). B Diagram ofnormal abdominal plain film.

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    Pola normal udara dalam saluranpencernaan

    Lambung : Udara selalu (+)

    Usus kecil : terlihat 2-3 loop usus, tak adadistensi.Diameter < 3cm

    Rectum dan Sigmoid : selalu terlihat

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    Udara dalam

    lambung

    Udara terlihat pada

    bbrpa loop usus

    halus

    Udara dalam Rec

    & Sigmoid

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    Normal fluid level

    Lambung : selalu (+), kecuali proyeksisupine

    Usus kecil: 2-3 fluid level masih normal

    Usus besar : 2-5 fluid level masih normal

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    Air fluid leve

    lambung

    Air fluid level

    sedikit pada usus

    kecil

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    PNEUMOPERITONEUM

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    PneumoperitoneumPneumoperitoneum merupakan keadaan adanya udara bebas

    dalam rongga peritoneum. Hal ini bisa disebabkan perforasi orgberongga abdomen akibat trauma tumpul abdomen.

    Etiologi :

    Ruptur viskus berongga (yaitu perforasi ulkus peptikum,necrotizing enterocolitis, megakolon toksik, penyakit ususinflamasi)

    Faktor iatrogenik (yaitu pembedahan perut terakhir, traumaabdomen, perforasi endoskopi, dialisis peritoneal, paracentes

    Infeksi rongga peritoneum dengan organisme membentuk gasdan atau pecahnya abses yang berdekatan

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    Signs of pneumoperitoneum of supine radiogr

    Right upper quadrant gas

    Peri hepatic

    Sub hepatic

    Morrisons pouch

    Fissure for ligament teres

    Riglers (double wall sign)

    Ligament visualization

    FalciformUmbilical inverted V sign

    Triangular air

    The cupola sign

    Football or air dome

    Gas in subhepatic space

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    Gas in subhepatic space

    Supine abdominal radiograph shows an elliptical collection of air within th

    subhepatic space

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    Doges cap sign

    Doges Cap sign refers to free air inMorrison's pouch.

    Morrison's pouch is normally apotential space between the rightkidney and the liver

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    Triangular gas shadow superior to kidney and postero-inferior to 11thrib

    Ri l i

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    Riglers sign

    Rigler's sign refers to the appearance of the bowel wall o

    plain film when it is outlined by intraluminal and extralumi

    air .The extra luminal air is free peritoneal gas

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    Falciform ligament visualization

    Visualization of Falciform ligament by free gas on either sid

    the ligament

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    Football sign

    The football sign likens the massively air-filled peritoneum to an

    American football

    In the supine position, free air collects anterior to the abdominalviscera, producing a sharp interface with the parietal peritoneum andthereby creating the football outline

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    Double Bubble Sign

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    Double Bubble Sign

    Two collections of overlapping gas- one of these collections is sub diaphragmatic

    gas and the other is normal gas within the fundus of the stomach

    The Cupola Sign

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    The Cupola Sign

    An arcuate collection of free intraperitoneal air beneath the central tendon

    diaphragm. The superior border is well defined (arrows) compared with the in

    extent of the collection.

    The Triangle Sign

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    The Triangle Sign

    The triangle sign refers to small triangles of free gas that can typically be position

    between the large bowel and the flank(black arrow)

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    Semilunar Shadow

    Gambaran udara (radiolusen) berupa daerah berbentuk bulan sabit (Semiluna

    Shadow) diantara diafragma kanan dan hepar atau diafragma kiri dan lien

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    ILEUS

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    ILEUS OBSTRUKTIF

    Ileus obstruktif merupakan penyumbatan intestinal mekanik yang terjadi karena

    adanya daya mekanik yang bekerja atau mempengaruhi dinding usus sehinggamenyebabkan penyempitan atau penyumbatan lumen usus.

    Klasifikasi

    Berdasarkan lokasi obstruksinya, ileus obstruktif dibedakan atas:

    Letak tinggi: duodenum sampai jejunum

    Letak rendah: kolonsigmoidrectum

    Obstruksi letak tinggi dan letak rendah di batasi oleh iliocecal junction

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    ILEUS PARALITIK

    Ileus paralitik merupakan suatu keadaan dimana usus gagal atau tidak mampu

    melakukan kontraksi peristaltik untuk menyalurkan isinya. Ileus paralitik disebutjuga ileus adinamik atau non mekanik.

    Etiologi Ileus Paralitik :

    1. Trauma abdomen

    2. Pembedahan perut (laparatomy)

    3. Rongga perut

    Radang usus buntu

    Devertikulitis

    Nefrolisiasis

    Kolesistitis

    Pankreatitis

    Perforasi Ulkus Duodenum

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    Yang dapat ditemukan pada pemeriksaan foto abdomen ini antara lain :

    Dilatasi di proximal sumbatan (sumbatan paling distal di ileocecal junction)dan kolaps usus di bagian distal sumbatan.

    Coil spring appearance

    Herring bone appearance

    Air fluid level yang pendek-pendek dan banyak (step ladder sign)

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    Herring Bone

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    Dilatasi usus Keseluruhan

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    Dilatasi usus Keseluruhan

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    Multipel air fluid leveldan

    string of pearls sign

    (gambaran beberapa kantung

    gas yg berderet)

    Coffee bean appearan( b l

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    (gambaran gelung us

    distensi&terisi udara, d

    gelung usus berbentuk

    Ileus Paralitik. Tampak dilatasi usus

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    Ileus Paralitik. Tampak dilatasi ususkeseluruhan

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    1. Penebalan usus halus yang mengalami dilatasi memberik

    gambaran herring bone appearance, karena dua dindingusus halus yang menebal dan menempel membentukgambaran vertebrae dan muskulus sirkuler menyerupaikosta.

    2. Tampak gambaran air fluid level yang pendekpendek atadisebut step ladder appearance karena cairan transudasiberada dalam usus halus yang mengalami distensi.

    3. Pada ileus paralitik terdapat penebalan dinding usus secamenyeluruh dari gaster sampai rektum.

    Pada ileus :

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    Small Bowel Obstructions

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    Small Bowel Obstructions

    Dilatasi usus kecil

    Gambaran coil spring dan herring bone

    Udara dalam colon minimal, terutama di daerahrectum

    Multipel air fluid level pendek Causa : Adhesi, volvulus, gallstone ileus.intusupsesi

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    SBO

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    Coil sprin

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    Large Bowel Obstructions

    Dilatasi colon

    Udara minimal terutama di rectum

    Udara di usus kecil minimal/ (-) jika katub ileocecalcompetent

    Jika katub ileocecal incompetent maka akan terjadidecompresi udara dari colon ke usus kecil

    Causa : tumor, volvulus, hernia divertikulitis,intususepsi

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    Supine Prone