Rosacea

What is Rosacea?

Rosacea is the condition of the skin characterized by a spectrum of clinical signs and facial flushing. What is the Pathology of Rosacea? The pathology of rosacea is: -Etiology: The cause of rosacea is corticosteroids uses, UV light exposure -Genes…
Disorders of Epidermal Appendages

What are Disorders of Epidermal Appendages?

Disorders of epidermal appendages are abnormalities of the skin epidermal layer and its components. Examples of disorders of epidermal appendages include:  Acne vulgarisRosacea What is Acne Vulgaris? Acne vulgaris is a common chronic skin illness involving impasse or inflammation of…
Lice

What is Lice?

Lice is a skin infestation caused by a type of anthropods the louse.  What is the Pathology of Lice? The pathology of lice is: -Etiology: The cause of lice is P humanus capitis, P pubis, and P humanus corporis. -Genes…
Tinea

What is Tinea?

Tinea is a superficial fungal condition of the skin is limited to the stratum corneum, caused chiefly by dermatophytes Tinea capitis. What is the Pathology of Tinea? The pathology of tinea is: -Etiology: The cause of tinea is dermatophytes. -Genes…
Scabies

What Is Scabies?

Scabies is a pruritic skin infestation caused by the host-specific mite Sarcoptes scabiei hominis. What is the Pathology of Scabies? The pathology of scabies is: -Etiology: The cause of scabies is the mite Sarcoptes scabiei hominis. -Genes involved: None. -Pathogenesis:…
Verrucae Vulgaris

What is Verrucae Vulgaris?

Verrucae is a common lesion of children and adolescents, although they may be encountered at any age. What is the Pathology of Verrucae? The pathology of verrucae is: -Etiology: The cause of verrucae is human papillomaviruses. -Genes involved: None. -Pathogenesis:…
Molluscum Contagiosum

What is Molluscum Contagiosum?

Molluscum contagiosum is a typical, self-limited viral illness of the skin instigated by a pox virus. What is the Pathology of Molluscum Contagiosum? The pathology of molluscum contagiosum is the study of an illness caused by a poxvirus, usually spread…
Impetigo

What is Impetigo?

Impetigo is a common superficial bacterial infection of the skin. What is the Pathology of Impetigo? The pathology of impetigo is: -Etiology: The cause of impetigo is staphylococcus aureus most common and/or, streptococcus pyogenes. -Genes involved: None. -Pathogenesis: The sequence…
Infections of the Skin

What are Infections of the Skin?

Infections of the skin are disorders caused by the attack by microorganisms, parasites, and insects. Examples of infections of the skin include: ImpetigoMolluscum contagiosumVerrucaeScabiesTineaLice
Systemic Mastocytosis

How Do I Describe Skin Lesions?

For macroscopic descriptions of skin lesions:  Blister: A a vesicle or bulla.Bulla: A fluid-filled raised lesion greater than 5 mm across.Excoriation: A traumatic lesion characterized by breakage of the epidermis, leading to a raw linear area often self-induced.Lichenification: Prominent skin…