GREAT VESSELS Flashcards

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1
Q

doppler pattern in IVC

A

monophasic

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2
Q

what is situs inversus

A

IVC on the left side

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3
Q

what is IVC interruption

A

IVC draining via an anzygous continuation

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4
Q

IVC pathology can be site of ___

A

thrombus

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5
Q

tumour invasion into the IVC from Wilms tumour can occur from (4)

A

Kidneys (RCC) / Liver (HCC)
Adrenals (Neuroblastoma)
Retroperitoneum (Sarcoma)
Lymphoma

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6
Q

most common reason for evaluating aorta in neonates **

A

thrombus

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7
Q

clinical presentations of thrombus (6)

A
  • absent femoral pulses
  • hematuria
  • cyanosis
  • hypertension
  • blanching (pale) of the lower extremities
  • necrotizing enterocolitis
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8
Q

sono appearance of thrombus

A

echogenic material within the aortic lumen
over time aorta can appear to contain thin linear structures
totally or partially filled aorta
clot may be long/thick
Color to demonste flow around thrombus, normal flow reversal and presence of collaterals

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9
Q

An indwelling umbilical artery catheter is visualized as

A

two parallel lines with an anechoic center representing the catheter

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10
Q

Coarctation of the Abdominal Aorta found mostly where in the aorta

A

descending thoracic part

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11
Q

Renal artery stenosis occurs in _____ Coarctation of the Abdominal Aorta

A

more than half

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12
Q

clinical presentations of Coarctation of the Abdominal Aorta

A
severe hypertension
headaches
fatigue
decreased femoral pulse
Infants:
failure to thrive
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13
Q

Congenital Abnormalities of spleen

A

polyspenia, asplenia

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14
Q

cysts of spleen

A

a) Congenital  epithelial lined
b) Post-traumatic pseudo w/o lining
c) Hydatid

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15
Q

abscess of spleen found in

A

found in immunocompromised or

leukemic children with candidiasis

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16
Q

calcifications of spleen due to

A

granulamatous infections such as

histoplasmosis, tuberculosis

17
Q

enlargement of spleen causes (5)

A
Infection-bacterial/viral/fungal/protozoan
Lymphoma
Leukemia
Cirrhosis/Portal Hypertension
Congestive Heart failure
18
Q

sono appearance of lymph nodes

A
  • one or more hypoechoic homogenous structures that may combine to appear as one large mass
  • multiple masses most commonly found around IVC and aorta
19
Q

lymph node swelling associated with (3)

A

associated with lymphoma, Wilms tumour and neuroblastoma

20
Q

most common presacral mass

A

Sacrococcygeal Teratoma

21
Q

Sacrococcygeal Teratoma benign has

A

fat, Ca++, bone, teeth

22
Q

Sacrococcygeal Teratoma malignant is

A

solid with cystic areas