Skin Lesion

Followings are secondary skin lesions :

• Atrophy

• Fissure

• Abscess

• Ulcer

Example of Papule :

• Purpura

• Melanoma

• Lipoma

• Seborrheic keratosis

Followings are the characteristics of this skin lesion

• chronic inflammatory skin condition

• Disorder of the immune system

• very itchy weals (hives)

• can co-exist with angioedema

Cyst

• collection of pus in subcutaneous tissue

• has fibrous capsule

• can be yellowish in colour

• primary skin lesion

Impetigo is caused by fungal infection

• True

• False

Sarcoidosis

• Purple-red or brown, thickened, circular skin lesions

• Disorder of immune system

• Lymphocyte-mediated hypersensitivity type IV mechanism from triggering events

• bacterial skin infection

Vitiligo is due to selective destruction of melanocytes in the affected skin

• True

• False

Cherry angioma

• caused by HPV

• benign vascular skin lesion

• higher incidence in age less than 10 years old

• transmitted by contact

The following skin lesion is

• Ulcer

• Subcorneal pustular dermatosis

• Frostbite

• Lichenification

Characteristics of bullae

• elevated

• well circumscribed

• diameter more than 1cm

• may contain blood