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High spatial resolution is required for echographic exploration of the skin, microvessels or small laboratory animals. With the scanner described here, high resolution is obtained by means of a strongly focused, wide-band 17 MHz center frequency transducer (-6 dB bandwidth: 22 MHz). The movement of this transducer above the skin provides a 6 mm wide and 5 mm deep echographic cross-section with an image rate of 15 images/s. The resolution is about 0.08 mm in axial and 0.2 to 0.3 mm in lateral directions. The device was tested on phantoms in water and in vivo on normal and pathological skin in the Department of Dermatology. With the easy-to-handle probe, explorations were made on psoriasis, basocellular carcinoma, malignant melanoma and sarcoidosis.
M Berson, and
L Vaillant, and
F Patat, and
L Pourcelot
January 1983,
Ultrasound in medicine & biology,
M Berson, and
L Vaillant, and
F Patat, and
L Pourcelot
October 1975,
Ultrasound in medicine & biology,
M Berson, and
L Vaillant, and
F Patat, and
L Pourcelot
February 1977,
Journal of clinical ultrasound : JCU,
M Berson, and
L Vaillant, and
F Patat, and
L Pourcelot
February 1978,
Journal of clinical ultrasound : JCU,
M Berson, and
L Vaillant, and
F Patat, and
L Pourcelot
January 1985,
Radiologia diagnostica,
M Berson, and
L Vaillant, and
F Patat, and
L Pourcelot
January 1992,
Early human development,
M Berson, and
L Vaillant, and
F Patat, and
L Pourcelot
January 1976,
Ultrasonics,
M Berson, and
L Vaillant, and
F Patat, and
L Pourcelot
January 1986,
Journal des maladies vasculaires,
M Berson, and
L Vaillant, and
F Patat, and
L Pourcelot
May 1980,
Der Radiologe,
M Berson, and
L Vaillant, and
F Patat, and
L Pourcelot
May 1980,
Medical & biological engineering & computing,
