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8/8/2019 Radiology in Tuberculosis
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Radiology in tuberculosis:
a pictorial assay
Dr. Wangju Sumnyan MD, PDCC(Neuroradiology)
Specialist (Radiologist)
Composite Hospital, Itanagar, ITBPF.
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PLEURO-PULMONARY
TUBERCULOSIS
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Chest radiograph obtained in a 4-year-old girlshows isolated left hilar lymphadenopathy
(arrow) without associated parenchymal
involvement.
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typical appearanceof tuberculouslymphadenitis with central low attenuation
and peripheral rim enhancement
(arrows).
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right hilar lymphadenopathy (arrow)
associated with right upper lobe
consolidation.
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right paratracheal lymphadenopathy (straight
arrow) with multilobar consolidationpredominating in the right lung. Moderate
right lower lobe atelectasis with inferior
displacement of major fissure (curved arrows)
is associated.
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mediastinal and right hilar lymphadenopathy.
Atelectasis of the right lower lobe is present
with depression of the major fissure (arrows).
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volume loss of the right lung with mediastinalshift to right. At bronchoscopy, severe stenosis
of right main and upper lobe bronchi was
identified.
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large right-sided pleural effusion (curved
arrows) associated with right hilar
lymphadenopathy (straight arrows).
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Chest radiograph shows a 5-cm cavitary mass
with a thick, irregular wall (large arrow) and
surrounding adjacent nodular opacities in theleft upper lobe. An ill-defined 5-mm nodule
(small arrow) is present in the contralateral,
right upper lobe.
cavitary mass (arrows) in the
anterior segment
of left upper lobe.
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irregularly marginated, 2-cm tuberculoma
(large arrow) demonstrating central cavitation
and associated with small, adjacent nodules(small arrow).
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air-fluid level (arrows) within an 8-cm cavitary
mass located in the superior, lateral basal, and
posterior basal segments of the right lowerlobe.
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multiple 24-mm centrilobular nodules andlinear, branching opacities (arrows) in the
superior segment of right lower lobe.
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Consolidation in the left upper lobe associated
with mediastinal (double arrows) and left hilar
(single arrow) lymphadenopathy.
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Parenchymal primary tuberculosis in an adult.
Radiograph of the left lung demonstrates
extensive upper lobe and lingular
consolidation.
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Lymphadenopathy in a patient with primary
tuberculosis. Chest radiograph shows a bulky
left hilum and a right paratracheal mass,
findings that are consistent with
lymphadenopathy and are typical in pediatric
patients.
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Miliary tuberculosis. (a) Radiograph of the left lung shows diffuse
23-mm nodules, findings that are typically seen in miliary
tuberculosis.
(b) High-resolution computed tomographic (CT) scan demonstrates
similarnodules in a random distribution.
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Parenchymal postprimary tuberculosis.
Chest radiograph demonstrates the characteristic
bilateral upper lobe fibrosis associated with
postprimary tuberculosis.
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Parenchymal postprimary tuberculosis.
High-resolution CT scan shows the typical
apical cavitation of postprimary tuberculosis.
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Parenchymal postprimary tuberculosis.
High-resolution CT scan demonstrates multiple small,
centrilobular nodules connected to linear branching opacities.
This so-called tree-in-bud appearance is typically seen in
postprimary tuberculosis.
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Multiseptated tuberculous empyema.
US image shows numerous linear echogenic structures in the pleural
cavity representing multiple septa, findings that are typically seen in
postprimary tuberculosis.
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Tuberculous pericarditis.
Contrast material enhanced CT scan demonstrates a thickened
pericardium and bilateral pleural effusions.
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CNS TUBERCULOSIS
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Tuberculous meningitis.Axial contrast-enhanced T1-weighted magnetic
resonance (MR) image shows florid meningeal
enhancement that is most pronounced within
the basal cisterns.
Axial MR images demonstrate acute bilateral ischemic
infarcts, which are hyperintense on the diffusionweighted
image (a) and hypointense on the apparent diffusion
coefficient image (b).
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Parenchymal tuberculosis.
(11) Contrast-enhanced CT scanshows multiple bilateral ringenhancinglesions(tuberculomas)in the frontal and parietal lobes.
(12) Axial contrastenhanced T1-weighted MR image demonstrates
multipleenhancing caseating and noncaseating tuberculomas, predominantly
within the left frontal and parietal lobes
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Miliary CNS tuberculosis.
Axial contrast-enhanced T1-weighted MR image shows multiple small high
signal intensity foci within both cerebral hemispheres.
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Spinal tuberculous meningitis.Sagittal gadolinium-enhanced T1- weighted
MR image of the thoracic spine demonstrates
irregular, linear, nodular meningeal
enhancement.
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NODAL TUBERCULOSIS
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Tuberculous cervical lymphadenitis.
(15) US image demonstrates eccentric necrosis in a tuberculous cervicalnode.
(16) Contrast-enhanced CT scan demonstrates multiple enhancing nodes
with central hypoattenuation representing central necrosis.
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SKELETAL TUBERCULOSIS
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(17) Pott abscess in a patient with tuberculous spondylitis. Radiograph of the
thoracic spine demonstrates vertebra plana of D11 with an associated soft-tissue-
density mass, the latter finding being consistent with a tuberculous (Pott) abscess.
(18) Gibbus deformity secondary to tuberculous spondylitis. Sagittal T1-weighted (a)
and T2-weighted (b) MR images show vertebral collapse with high signal intensity inthe adjacent vertebral bodies.
The vertebral collapse has resulted in a gibbus deformity and spinal cord
compression.
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Calcified psoas abscess in a patient with tuberculous spondylitis.
(a) Radiograph shows a partially calcified right paravertebral soft-tissue mass, with
expansion and bowing of the right psoas shadow and displacement of the right kidney.
(b) CT scan shows vertebral destruction and a calcified right psoas abscess.(c) Axial T2-weighted MR image demonstrates the calcified abscess with low signal
intensity, along with associated vertebral destruction.
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Tuberculous dactylitis.
(20) Radiograph of the right hand shows fusiform soft-tissue swelling around the
first metacarpal bone, along with associated periostitis.
(21) Radiograph of the left hand shows cystic expansion of the proximal phalanx
of the index finger, a finding that is called spina ventosa.
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(22) Ankylosis secondary to tuberculous arthritis. Radiograph of the knee shows loss
of joint space secondary to cartilage destruction, resulting in ankylosis.
(23) Tuberculous arthritis. Radiograph demonstrates only minimal sclerosis and newbone formation in the right hip, considering the degree of bone destruction that is
seen.
(24) Chronic tuberculous arthritis. Radiograph demonstrates complete joint
destruction in the right hip, along with associated soft-tissue swelling and calcification.
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ABDOMINAL TUBERCULOSIS
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Lymphadenopathy from abdominal tuberculosisnin a 71-year-old man. CT scan
shows a tuberculous lymph node with the characteristic lowattenuation center
and peripheral rim enhancement (arrowheads).
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Wet type tuberculous peritonitis.
Contrast- enhanced CT scan shows ascites
(arrows) that is hyperattenuating relative
to urine within the bladder (arrowheads).
Fibrotic type tuberculous peritonitis. CTscan obtained with oral and intravenous
contrast material shows omental caking
(arrowheads) with thickening of the
underlying small bowel (*).
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Ileocecal tuberculosis. Image from a double-
contrast barium enema examination shows
marked retraction of the ileocecal area, along
with an incompetent ileocecal valve.
Small bowel tuberculosis. Contrast-
enhanced CT scan shows wall thickening
in several distal small bowel loops
(arrowheads).
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Miliary hepatic tuberculosis.
CT scan shows multiple hypoattenuating lesions within the liver, findings that
are consistent with miliary tuberculosis.
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OTHER ORGANS
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Adrenal tuberculosis.
CT scan demonstrates bilateral adrenal enlargement (arrows).
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Hepatosplenic tuberculosis.CT scan shows multiple calcified granulomas within the liver, spleen, and
periportal and peripancreatic lymph nodes. The right kidney is hydronephrotic,
and a small calculus is seen within the collecting system.
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Renal tuberculosis.
Intravenous urogram shows the characteristic appearance of caliceal
erosions in the lower pole calices of the left kidney due to tuberculosis.
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(34) Prostatic tuberculosis.
Contrast-enhanced CT scan shows a well-defined hypoattenuating lesion within the
prostate gland (arrowhead).
(35) Scrotal tuberculosis.
US image of a testis shows a nonspecific focal area of hypoechogenicity, which
proved to represent caseous necrosis secondary to tuberculosis.
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THANK YOU
Dr. Wangju Sumnyan