Lichen Simplex Chronicus — Flashcards

Flashcard 1: _____ eczema presents as an eruption that is typically oedematous, vesicular and may be exudative.

Answer: Acute (Acute/Chronic)

Flashcard 2: Pityriasis alba is often a manifestation of _____

Answer: atopic eczema

Flashcard 3: _____ is the only recommended systemic therapy for chronic hand eczema.

Answer: Alitretinoin

Flashcard 4: The most common drug implicated in eczematous otitis externa is _____.

Answer: neomycin

Flashcard 5: A characteristic _____ pattern of asteatotic eczema is observed on the legs in particular, resulting in the synonym of eczema craquelé.

Answer: crazy-paving

Flashcard 6: _____ is the most common skin condition associated with cataract

Answer: Atopic dermatitis

Flashcard 7: Seborrheic dermatitis is a common, chronic inflammatory disease that presents with a flaky, scaling, rash involving the _____ and eyebrows

Answer: scalp

Flashcard 8: What are the common clinical manifestations and treatment for Chlamydia trachomatis infection?

Answer: Clinical features: Reactive arthritis, conjunctivitis, urethritis, PID. Treatment: Azithromycin or doxycycline.

Extra: Chlamydia trachomatis is an obligate intracellular bacterium. It is the most common bacterial STI. Serovars D-K cause urogenital infections.

Flashcard 9: What are the key characteristics and clinical associations of Campylobacter jejuni?

Answer: Comma-shaped, oxidase (+), grows at 42°C. Causes inflammatory diarrhea (dysentery). Associated with Guillain-Barré syndrome and Reactive arthritis.

Extra: - Morphology: Curved/Comma-shaped rods with polar flagella. - Growth: Thermophilic (grows at 42°C) on Skirrow agar. - Transmission: Poultry, puppies, unpasteurized milk. - Complications: Guillain-Barré syndrome (molecular mimicry with gangliosides) and Reactive arthritis (Reiter syndrome).

Flashcard 10: Name some important clinical conditions caused by _____?

Answer: Pseudomonas aeruginosa

Extra: Characteristics: Gram-negative bacilli, aerobic, oxidase positive. Virulence: Exotoxin A (inhibits EF-2). Treatment: Aminoglycoside + antipseudomonal penicillin (e.g., Piperacillin/Tazobactam).