Tởn Thương Căn Bản
THS. NGƠ MINH VINH
Nguyên
phát
Thứ
phát
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Dát
Sẩn
Mảng
Củ
Mụn nước, bóng nước
Mụn mủ
Nang
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vẩy
Chợt
Loét
Sẹo
Teo da
Flat
Macule
Patch
Erythema
Erythrothema
Dát (macule) – khoảng (patch)
Dát (macule) – khoảng (patch)
Tổn thương ngang bằng da (không có sự dầy lên
hay teo lõm) do đó không sờ được.
Sự thay đổi màu sắc da, cấu trúc da bình thường
Giới hạn rõ hoặc không rõ, có kích thước và màu
sắc rất đa dạng
Dát < 0,5cm , khoảng > 0,5cm
Erythema
Sự thay đổi màu sắc da hay niêm mạc do sự dãn
động mạch và tĩnh mạch trong lớp nhú , lớp lưới của
bì.
A 10 year old boy with low grade fever and viral symtpoms developed erythema
chronicum migrans diagnostic of Lyme disease on his forearm. His symptoms
and the rash disappeared 36 hours into a course of oral amoxicillin. erythema
migrans
This healthy 11-year-old boy developed erosions in
his mouth and lips and widespread target lesions
on his back, chest, and extremities. He had a
history of recurrent herpes labialis and one
previous episode of erythema multiforme.
Raised
Papule
Plaque
Nodule
Cyst
Wheal
Scar
Comedo
Horn
Calcinosis
Sẩn (papule)
Sẩn (papule) – mảng (plaque)
Tổn thương đặc
Nhô cao trên bề mặt da có thể sờ nắn
Màu sắc đa dạng
Nhiều sẩn có thể họp lại tạo thành mảng
Sẩn < 0,5cm, mảng > 0,5cm
Biopsy of a chronic red crusted papule on the cheek of this
A stable
bluish-black
papule appeared
at least
5 yearsofearlier. She had
70 year
old light complected
man with
a history
a similar
papule
onburns
her back.
recurrent
sun
demonstrated a basal cell carcinoma.
After local excision the area healed well without recurrence
biopsy
showed
of the
tumor.the typical changes of spindle and epithelial cell
nevus
Mảng (plaque)
This healthy 7-year-old girl developed an itchy expanding red
annular plaque with pustules at the periphery a week ago.
The plaque cleared over 10 days with the application of a
topical antifungal cream twice a day. tinea corporis tinea
faciei
A 69 year-old-man was evaluated for an expanding
pigmented
plaque on shows
the leftearly
ear. changes
Histology
This hemangioma
ofrevealed a
A healthy 11 year old boy developed multiple infiltrated
superficial
spreading
melanoma
Breslow index of
regression
with subtle
grayingwith
overathe
papules which formed an asymptomatic oval plaque. The
0.55mm.
Nothe
metastases
were noted on physical
center of
plaque. hemangioma
plaque resolved 9 months later without leaving a scar.
examination, and the scar was reexcised with a 1 cm
granuloma annulare
margin. melanoma, superficial spreading melanoma
Cục (nodule)
Cục (nodule)
Thương tổn đặc
Có hình cầu hay trứng
Nhô lên trên bề mặt da
Nằm ở lớp bì hay hạ bì, nhiều khi phát hiện bằng
cách sờ nắn hơn là nhìn
Thiselderly
acquired
pigmented
nevus
the back
This
man
complained
of aon
bleeding
nodule on his
had for
a 2years.
year
history
of
increasing
size
and
Thisback
healthy
30-year-old
developed
a rapidly
growing red
A skin woman
biopsy
showed
a thick
melanoma
elevation
nevus,melanoma
pigmented,
nodule
on
her deep.
forehead.
Followingcompound
several episodes of profuse
over
4mm
bleeding, the lesions was excised and the base was cauterized.
pyogenic granuloma
Nang (cyst)
Nang (cyst)
Chứa dịch hay bán dịch
Hình tròn hay bầu dục
Màu sắc tùy thuộc vào chất lỏng ở trong
This heatlhy 10-month-old boy was noted to have a small
cyst of the right nipple at birth. These lesions usually
resolve without treatment. nipple retention cyst