TỔN THƯƠNG căn bản (DA LIỄU)

TỔN THƯƠNG
CĂN BẢN



Nguyên
phát
Thứ
phát

•
•
•
•
•
•
•

Dát
Sẩn
Mảng
Củ
Mụn nước, bóng nước
Mụn mủ
Nang

•
•
•
•
•

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
A stable
bluish-black
appeared atman
least
5 years
earlier.
of this
70 year oldpapule
light complected
with
a
She history
had a similar
papulesun

on burns
her back.
of recurrent
demonstrated a
basal cell carcinoma. After local excision the area
biopsy
showed
the typical
changesofofthe
spindle
and
healed
well without
recurrence
tumor.
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
This hemangioma

plaque onshows
the left
early
ear. Histology
A healthy 11 year old boy developed multiple
revealed
changes
a superficial
of regression
spreading
with subtle
melanoma with a
infiltrated papules which formed an asymptomatic
Breslow
graying
index
overofthe
0.55mm.
center of
Nothe
metastases
plaque. were
oval plaque. The plaque resolved 9 months later
noted
hemangioma
on physical examination, and the scar was
without leaving a scar. granuloma annulare
reexcised with a 1 cm 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
This
man
complained
of aon
bleeding nodule
the
had
2 year
of showed
Thison
healthy
30-year-old
woman

developed
a rapidly
hisback
back
for ayears.
A history
skin biopsy
a
increasing
size and
elevation
growing
red
nodule
on
her
forehead.
thick
melanoma
over
4mm
deep. Following
melanomaseveral
nevus,
compound
episodes
of pigmented,
profuse 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


This 22-year-old man with a 2 year history of
severe nodulocystic acne was treated with oral
13-cis retinoic acid.