Integumentary System Part 3 (Part 3 Of 3) (Skin Diseases)

Summary

This video script delves into the integumentary system's diseases, focusing on acne vulgaris, athlete's foot, and various skin cancers including non-melanoma and melanoma. It outlines their probable causes, symptoms, and treatments. It also covers dermatitis, eczema, impetigo, psoriasis, and fungal and viral infections like ringworm and warts, highlighting their triggers and manifestations. The script promises to explore medical terminology related to the integumentary system in the next installment.

Takeaways

• 🍂 Acne vulgaris is an inflammation of the sebaceous glands, often caused by hormonal changes or increased sebum production.
• 🧴 Treatments for acne include frequent skin washing, avoiding heavy creams and makeup, antibiotics, and ultraviolet light therapy.
• 🦶 Athlete's foot is a contagious fungal infection affecting the feet, characterized by itching, blisters, and open sores.
• 🦠 Anti-fungal medications and keeping the area dry and clean are treatments for athlete's foot.
• ☀️ Skin cancers are common, with two major categories: non-melanoma (benign) and melanoma (malignant and life-threatening).
• 🔍 Basal cell carcinoma and squamous cell carcinoma are types of non-melanoma skin cancers.
• 🌀 Melanoma is the most dangerous form of skin cancer, developing in melanocytes and can present as brown, black, pink, or multicolored lesions.
• 🌞 Causes of skin cancer include changes in moles, excessive sun exposure, use of tanning beds, and exposure to irritating chemicals or radiation.
• 🌿 Dermatitis is an inflammation of the skin caused by exposure to various irritants like detergents, pollen, or certain foods.
• 🌾 Eczema is a non-contagious inflammatory skin disorder triggered by allergens or irritants, and can be exacerbated by diet, cosmetics, and stress.
• 🐾 Impetigo is a highly contagious skin infection, usually caused by streptococci or staphylococci, with symptoms like erythema and pustules.
• 🌱 Psoriasis is a chronic skin disease with periods of exacerbation and remission, potentially triggered by stress, cold, sunlight, and hormonal changes.
• 🍄 Tinea is a contagious fungal infection that can affect the skin or scalp, causing circular areas with itchy, scaly rings.
• 🦟 Warts, caused by viral infections, present as rough, hard, elevated areas on the skin.

Q & A

What is acne vulgaris and what causes it?

Acne vulgaris is an inflammation of the sebaceous glands, likely caused by hormonal changes and/or an increase in sebum oil production.

What are some common symptoms of acne vulgaris?

Common symptoms of acne vulgaris include pustules, papules, and blackheads, which can develop when hair follicles are clogged by excessive sebum oil, cosmetics, or dirt.

How can acne vulgaris be treated?

Treatments for acne vulgaris include frequent skin washing, avoidance of heavy creams and makeup, antibiotics, and ultraviolet light treatments.

What is athlete's foot and how is it transmitted?

Athlete's foot is a contagious fungal infection that usually affects the feet, causing itching, blisters, and open sores. It is transmitted through direct contact with the fungus.

What are the two major categories of skin cancers mentioned in the script?

The two major categories of skin cancers mentioned are non-melanoma skin cancers, which are benign and usually not life-threatening, and melanoma, which is malignant and often life-threatening.

What are the characteristics of basal cell carcinoma?

Basal cell carcinoma is found in the basal cells of the epidermis and presents as lesions that can be pink to yellow-white, with a smooth appearance, a depressed center, and an elevated irregular shaped circular border.

How does squamous cell carcinoma differ from basal cell carcinoma?

Squamous cell carcinoma affects the thin cells of the epithelium and can spread quickly to other areas of the body, unlike basal cell carcinoma. It resembles sores that scale and crust.

What are the common causes of melanoma, the most dangerous form of skin cancer?

Causes for melanoma include changes that occur in a mole, excessive exposure to the sun, prolonged use of tanning beds, and exposure to irritating chemicals or radiation.

What is dermatitis and what are its common symptoms?

Dermatitis is an inflammation of the skin caused by exposure to irritants such as detergents, cosmetics, pollen, or certain foods. Symptoms include dry skin, erythema, itching, edema, macular, papular rashes, and scaling.

What is eczema and what factors can cause it?

Eczema is a non-contagious inflammatory skin disorder caused by an allergen or irritant. Factors such as diet, cosmetics, soaps, medications, and even emotional stress can trigger eczema.

How is impetigo transmitted and what are its symptoms?

Impetigo is a highly contagious skin infection usually caused by streptococci or staphylococci organisms. Symptoms include erythema, oozing vesicles, pustules, and the formation of a yellow crust.

What is psoriasis and what are some factors that can trigger its outbreaks?

Psoriasis is a chronic non-contagious skin disease with periods of exacerbation and remission. Its cause is unknown, but stress, cold weather, sunlight, pregnancy, and endocrine changes can precede outbreaks.

What is the difference between ringworm and warts in terms of their causative agents?

Ringworm is a highly contagious fungal infection of the skin or scalp, while warts are caused by a viral infection of the skin, resulting in rough, hard, elevated, and rounded surfaces.