Derma Mcq Bank Notes Flashcards
What is a cystic hygroma?
A cystic hygroma is a fluid-filled sac that can be present at birth or develop in a 1-year-old. It is typically located in the posterior triangle of the neck and can be transilluminated.
What is a branchial cyst?
A branchial cyst is a lateral neck cyst that may discharge if it forms a sinus. It commonly occurs in children or young adults.
What condition is associated with polyarteritis nodosa?
Polyarteritis nodosa is associated with livedo reticularis.
What is a potential skin manifestation of gastric carcinoma?
Acanthosis nigricans can be a skin manifestation of gastric carcinoma.
What skin condition is associated with celiac disease?
Dermatitis herpetiformis is associated with celiac disease.
What is a dermoid cyst?
A teratoma located on the face of a young boy, typically near the lateral eyebrow.
What is seborrheic keratosis?
A benign tumor of the basal layer of the epidermis, varying in color from yellow to brown, commonly seen in old age.
What is lichen simplex?
A skin condition that occurs after eczema or severe scratching.
What are squamous cell carcinoma and actinic keratosis?
Types of skin cancer associated with sun exposure.
What is keratocanthoma?
A self-limiting skin lesion resembling squamous cell carcinoma, characterized by a volcanic shape, typically resolving in 6 weeks.
What is acne conglobata?
A severe form of acne in men with a history of anabolic steroid use, characterized by large lesions that leave scars and secrete pus.
What is the treatment for keloids?
Intralesional steroids.
What is the treatment for scabies?
Permethrin 5%, malathion, or ivermectin.
What is erythema ab igne?
An abnormal red appearance of the abdomen due to heat pad use; treated with topical retinoids and associated with hypothyroidism and lymphedema.
What is a pyogenic granuloma?
A fleshy nodule with a history of foreign body presence.
What are common pregnancy skin conditions?
Polymorphic eruption of pregnancy (red) and pemphigoid (dark).
How is shingles transmitted?
Through direct contact.
What is the difference between erysipelas and cellulitis?
Erysipelas is sharply demarcated and caused by staphylococcus and streptococcus.
What is alopecia areata?
A condition causing circular hair loss; treated with minoxidil.
What is athlete’s foot?
A fungal infection known as tinea pedis, caused by Trichophyton rubrum.
What is onychomycosis?
A fungal nail infection caused by Trichophyton rubrum; treated with oral terbinafine.
What is the treatment for rosacea?
Ivermectin and beta-blockers for flushing, also metronidazole.
What causes angular cheilitis?
Infections by candida, staphylococcus, or herpes.
What is pityriasis versicolor?
A skin condition that may occur after eczema, caused by Malassezia; treated with ketoconazole.
