قراءة
عرض

Diagnosis of skin diseases

Diagnosis of Skin Diseases

By end of this lecture the student should be able to:

Diagnosis of Skin Diseases

The key to a successful Rx is a correct Dx

Diagnosis of Skin Diseases

Dermatological diseases are usually visible, so inspection is all that is needed for Dx

Diagnosis of Skin Diseases

How to bring order to confusion:

Diagnosis of Skin Diseases


Types of lesions

Diagnosis of Skin Diseases

Primary skin lesions

Diagnosis of Skin Diseases




Diagnosis of Skin Diseases




Diagnosis of Skin Diseases

2---

Diagnosis of Skin Diseases





Diagnosis of Skin Diseases



3-
Diagnosis of Skin Diseases




Diagnosis of Skin Diseases




Diagnosis of Skin Diseases

4- Nodule : A larger & deeper lesion than a papule, e.g., erythema nodosum

Diagnosis of Skin Diseases





Diagnosis of Skin Diseases

5- Blisters

Diagnosis of Skin Diseases

Eg of vesicles

Diagnosis of Skin Diseases




Diagnosis of Skin Diseases

6- pustule: A visible accumulation of pus, as in folliculitis.

Diagnosis of Skin Diseases



7-
Diagnosis of Skin Diseases


8- Purpura

Diagnosis of Skin Diseases

E.g. of petechiae & ecchymosis

Diagnosis of Skin Diseases



9-
Diagnosis of Skin Diseases



10-
Diagnosis of Skin Diseases



11- Telangectasia : Permanent visible dilation of superficial blood vessels in the skin as in rosacea
Diagnosis of Skin Diseases




12- Comedo: A plug of keratin & sebum wedged in a dilated pilo-sebaceous follicle, there are 2 types; open (black heads) & closed (white heads), as in acne vulgaris.
Diagnosis of Skin Diseases

Secondary skin lesions

Diagnosis of Skin Diseases



1-Scale: Excess flakes of dead epidermal cells from the horny layer, could be mild as in chapping or severe as in psoriasis.
Diagnosis of Skin Diseases

2) Crust: A collection of dried serum & cellular debris as in impetigo.

Diagnosis of Skin Diseases

3-Erosion:

Diagnosis of Skin Diseases

4-Ulcer

Diagnosis of Skin Diseases


5-fissure:

Diagnosis of Skin Diseases

6-Sinus :

Diagnosis of Skin Diseases

7-Excoriation

Diagnosis of Skin Diseases

8-Atrophy:

Diagnosis of Skin Diseases

9-Scar:

Diagnosis of Skin Diseases




10-Lichenification
Diagnosis of Skin Diseases




Diagnosis of Skin Diseases




Diagnosis of Skin Diseases

Koebner’s phenomenon

Diagnosis of Skin Diseases

Nikolsky's sign

Diagnosis of Skin Diseases

Nikolsky's sign

Diagnosis of Skin Diseases


Auspitz's sign:

Diagnosis of Skin Diseases

Configuration of lesions

Diagnosis of Skin Diseases




Diagnosis of Skin Diseases

Arrangement of lesions

Diagnosis of Skin Diseases




Diagnosis of Skin Diseases





Diagnosis of Skin Diseases

1- DIASCOPY:

Diagnosis of Skin Diseases

In TB of the skin diascopy reveals an appearance called apple- jelly nodules.

Diagnosis of Skin Diseases

2- Dermoscopy

Diagnosis of Skin Diseases




Diagnosis of Skin Diseases

Wood's lamp

Diagnosis of Skin Diseases


Uses of WOOD’S lamp

Diagnosis of Skin Diseases

4)MYCOLOGY SAMPLES

Diagnosis of Skin Diseases

5)LAB. INVESTIGATIONS :

Diagnosis of Skin Diseases

6) CYTOLOGY (Tzanck's smear):

Diagnosis of Skin Diseases

7) PATCH TESTS:

Diagnosis of Skin Diseases




8) PRICK TESTS:
Diagnosis of Skin Diseases

9) HISTOLOGY & IMMUNOFLUORESCNCE:

Diagnosis of Skin Diseases




Diagnosis of Skin Diseases




Diagnosis of Skin Diseases





رفعت المحاضرة من قبل: Mubark Wilkins
المشاهدات: لقد قام 3 أعضاء و 1032 زائراً بقراءة هذه المحاضرة








تسجيل دخول

أو
عبر الحساب الاعتيادي
الرجاء كتابة البريد الالكتروني بشكل صحيح
الرجاء كتابة كلمة المرور
لست عضواً في موقع محاضراتي؟
اضغط هنا للتسجيل