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The use of high-frequency skin ultrasound in the diagnosis of lipodermatosclerosis


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Fig. 1.

Clinical picture of advanced CVI
Clinical picture of advanced CVI

Fig. 2.

Clinical picture of healthy skin of the thigh – a 48 MHz transducer
Clinical picture of healthy skin of the thigh – a 48 MHz transducer

Fig. 3.

Involved tibial skin – a 48 MHz transducer
Involved tibial skin – a 48 MHz transducer

Fig. 4.

Massive calcifications (the dashed arrow shows reflexions from calcifications and a shadow behind calcifications)
Massive calcifications (the dashed arrow shows reflexions from calcifications and a shadow behind calcifications)

Fig. 5.

Calcifications in the vessel walls (arrows)
Calcifications in the vessel walls (arrows)

Fig. 6.

Subcutaneous fibrosis (the arrow points to the fibrotic shadow)
Subcutaneous fibrosis (the arrow points to the fibrotic shadow)

Fig. 7.

Compression elastography of the femoral skin
Compression elastography of the femoral skin

Fig. 8.

Compression elastography of the tibial skin
Compression elastography of the tibial skin

Fig. 9.

Radiography of the tibia involved by lipodermatosclerosis (the arrows point to multiple confluent calcifications)
Radiography of the tibia involved by lipodermatosclerosis (the arrows point to multiple confluent calcifications)

Basic demographic data of patients with lipodermatosclerosis

Patients (n) 10
Mean age (range) 66.3 ± 14.3 (39-81)
Sex (males vs females) 1:9
BMI (range) 32.7 ± 3 (27-37)
Limbs (n) (right vs left vs both) 14 (4:2:4)
Hypertension (%) 9 (90)
Diabetes (%) 6 (60)
Ischemic heart disease (%) 5 (50)

Skin and subcutaneous tissue HFU findings

No. Dermis thickness (mm) Echogenicity of the subcutaneous tissue: involved vs healthy (thigh) Echogenicity of the subcutaneous tissue: Involved vs healthy (thigh) Subcutaneous calcifications: 0 - absent, 1 - sporadic, 2 - multiple Vascular wall calcifications: 0 - absent, 1 - sporadic, 2 - multiple Subcutaneous fibrosis: 0-absent, 1 - present Compression elastography: subcutaneous tissue to the muscle SR (Strain Ratio): subcutaneous tissue to the muscle – involved region Border between the dermis and the subcutaneous tissue: 0 – blurred, 1 – clear
Involved Healthy (thigh)
1 3.67 1.65 higher higher 2 2 1 harder 4.32 0
2 3.34 1.43 higher higher 2 2 1 harder 5.42 1
3 2.34 1.65 higher higher 1 1 1 harder 2.87 1
4 1.98 1.12 no difference no difference 2 0 1 harder 1.56 1
5 1.87 0.98 higher higher 1 0 1 harder 1.83 0
6 3.84 2.11 higher higher 2 1 1 harder 6.72 0
7 2.45 1.74 higher higher 2 2 1 harder 3.67 1
8 2.13 1.23 no difference higher 2 1 1 harder 3.21 1
9 2.67 1.35 higher higher 2 1 1 harder 2.74 1
10 3.23 1.46 higher higher 2 1 1 harder 6.32 0
11 2.19 1.45 higher higher 1 1 1 harder 2.61 0
12 2.72 1.62 higher higher 1 1 1 harder 2.56 0
13 2.34 1.01 higher higher 2 1 1 harder 3.71 0
14 2.03 1.54 higher higher 0 0 1 harder 1.96 0

Skin and subcutaneous tissue radiographic findings

No. Thickened dermis Calcifications in the skin and subcutaneous tissue: 0 – absent, 1 – sporadic, 2 – multiple Blurred border between the skin and the subcutaneous tissue: 0 – blurred, 1 – clear
1 Yes 1 1
2 Yes 2 0
3 Yes 0 1
4 Yes 2 1
5 Yes 1 1
6 Yes 2 0
7 Yes 1 1
8 Yes 2 0
9 Yes 2 1
10 Yes 2 0
11 Yes 1 1
12 Yes 1 1
13 Yes 2 0
14 Yes 0 1

Stage of chronic venous insufficiency

Limbs (n) 14
C C1 (%) 0 (0)
C2 (%) 0 (0)
C3 (%) 0 (0)
C4 (%) 3 (21.4)
C5 (%) 4 (28.6)
C6 (%) 7 (50)
E EP (%) 8 (57.1)
ES (%) 6 (42.9)
A A1 (%) 14 (100)
A2 (%) 11 (78.6)
A3 (%) 12 (85.7)
A4 (%) 3 (21.4)
A11 (%) 3 (21.4)
A13 (%) 2 (14.3)
A14 (%) 2 (14.3)
A18 (%) 11 (78.6)
P PR (%) 10 (71.4)
PO (%) 0
PR+O (%) 4 (28.6)
Mean VCSS (range) 13.8 ± 5.1 (6-21)
eISSN:
2451-070X
Język:
Angielski
Częstotliwość wydawania:
4 razy w roku
Dziedziny czasopisma:
Medicine, Basic Medical Science, other