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Picosecond Nd: YAG laser treatment

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1: freckle
Name:
Age:21.
profession:Student
symptom : It is characterized by light brown or dark brown spotted spots, round, oval or irregular. The boundary is clear, the diameter is about 2mm, the surface is smooth, isolated and not fused, and the distribution is different.
diagnosis :freckle
Pathological analysis : The patient stimulates subcutaneous pigment cells frequently during the sun exposure to ultraviolet rays, and produces a large amount of melanin pigment to stimulate tyrosinase. Dopa oxidizes to release melanin by tyrosinase; and damages the normal metabolic function of skin cells. The melanin is not discharged smoothly and remains on the skin, thereby forming spots.
Freckle treatment way
Indications: freckles
Machine used : picoseconds
Treatment: 4 weeks interval time, two sessions in total
Wavelength: 1064nm
Spot zie: 4-6
Energy: 80-240mj
Frequency: 2-4HZ
Pulse type: single pulse
Clinical endpoint: whitish
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2: chloasma
Name:李**
Age:44.
profession: Waiter
symptom:There are brown spots around the ankle and eyes, symmetric distribution, unclear borders, no subjective symptoms and general malaise.
Diagnosis: chloasma (hip spot, liver spot, pregnancy spot)
Pathological analysis : Due to the long-term use of inferior cosmetics, the patient has thinned the stratum corneum, damaged the skin barrier, reduced sebum secretion by the sebaceous glands, decreased skin’s ability to resist ultraviolet rays, and endocrine disorders, thus forming spots.
Chloasma treatment way
Indications:chloasma
machine used:Picosecond Laser
treatment course:interval time: 5weeks, total 6 sessions
wavelength:1064nm
spot size:7-9
Energy:80-240mj
Frequency:5-7HZ
Pulse mode:Double pulse
Clinical endpoint:skin become little redness
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3: Tattoo removal
Name:宋**
Age:29.
profession:free profession
Treatment date :2018.5.11.
symptom:tattoo on hand
6.3cm long 4.1cm width
diagnosis:tattoo on hand
Tattoo removal way
Indications:tattoo
machine used:Picosecond Laser
Treatment :Interval time 8 weeks, total 4 treatment
wavelength:1064nm
spot size:4-5
Energy:80-240mj
Frequency:1-4HZ
Pulse mode:Single pulse
Clinical endpoint: Whitening
(First treatment time use low frequency)
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Post time: May-08-2021