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Table 2 Further investigation of the positive cases identified in the first and second-round of WB-MRI screenings

From: Whole-body magnetic resonance imaging of Li-Fraumeni syndrome patients: observations from a two rounds screening of Brazilian patients

Patient ID no.

M/F

Age (y)

TP53 mutation

WB-MRI findings

Further exams

Imaging diagnosis

Invasive exams

Cancer diagnosis

Y0012T044

F

40

p.R337H

Hyposignal area on T1, high signal focuses on STIR in left humeral head, nonspecific aspect.

Shoulder MRI

Vascular ectasia

No

No

Y0012T049

F

61

p.R337H

Rounded image in distal metaphyseal region of the right femur (2.2 cm) with hyposignal on T1 and hypersignal on STIR.

Leg MRI

Lobulated image in right femur compatible with enchondroma

No

No

Y0079T016

F

41

p.T125T

Sacral nodule (20 mm), nonspecific,

Lumbosacral spine CT

Enostoses

No

No

Y0099T001

F

34

p.R337H

Nodular area (17 mm) in the retroperitoneum, adjacent to pancreatic cephalic region.

Abdominal MRI

Unilocular pancreatic cyst

No

No

Y0102T000

F

17

p.R337H

Oval images in renal cortical, 16 mm in the lower pole of the right kidney and 20 mm in the upper pole of the left kidney.

Abdominal/ Pelvis MRI

Nodule with irregular borders and heterogeneous signal, predominantly high in T1 and intermediate in T2, with restrictions on diffusion sequence. Approximately, 23 × 18 × 18 mm3 in right kidney

Surgical resection

Renal cell carcinoma

Y0183T001

M

19

p.T125T

Image on the left lenticular nucleus, 8 mm.

Brain MRI

Cystic image in the left putamen, compatible with Virchow-Robin space

No

No

Y0352T000

F

29

p.R306X

Nodule 35 × 28 mm2 at the left sacroiliac joint.

Pelvis MRI

Solid mass lesion 43 × 34 × 30 mm3, located in the posterior-inferior region of the left sacroiliac joint, with bone cortical irregularity in the sacral margin

Surgical resection

Grade 1 chondrosarcoma

Y0102T000

F

18

p.R337H

Nodule in the right adrenal gland with hypointense signal on T1, hyperintense signal on STIR, and diffusion sequence. Measures 15 mm, indeterminate aspect.

Abdominal MRI

Nodule in the right adrenal gland, non-aggressive features

No

No

Y0015T011

M

34

p.R337H

Images in humeral heads with hypointense signal on T1 and hyperintense signal on STIR, measuring up to 9 mm, suggestive of subchondral cysts.

Shoulder MRI, CT and scintigraphy

Radiolucent oval image in the scapular region with non-aggressive features, slight increase in bone metabolism, no change in blood flow, suggestive of cystic lesion or enchondroma

No

No

Y0012T012

M

61

p. R337H

Expansive lesion in the right humerus, measuring 48 × 34 mm2, with isosignal to muscle on T1, hyperintense signal on STIR, and restriction on diffusion sequence.

Shoulder MRI

Expansive lesion in the right axillary region, next to the distal roots of the brachial plexus, measuring 32 × 22 mm2, with hypointense signal on T1, hyperintense signal on STIR, suggestive of malignancy of neural sheath or soft tissue sarcoma

Biopsy (axilar lymph node)

High-grade sarcoma with muscle differen- tiation

Y0171T005

M

47

p. R337H

Subcutaneous nodule on the left shoulder.

Shoulder ultrasound

Echogenic nodule in the subcutaneous tissue of the left shoulder, measuring 65 × 57 × 12 mm3, characteristics of lipoma

No

No