General Surgery UK Medical PG Flashcards - Medical Study Cards
Master General Surgery with OnCourse flashcards. These spaced repetition flashcards are designed for medical students preparing for NEET PG, USMLE Step 1, USMLE Step 2, MBBS exams, and other medical licensing examinations.
General Surgery Flashcard Deck - 10 Cards
Flashcard 531: Pityriasis versicolor most frequently occurs in _____ & humid weather
Answer: hot
Flashcard 532: Spot diagnosis: Hypopigmented or hyperpigmented macules with fine scaling = _____
Answer: pityriasis versicolor
Extra: Pityriasis versicolor is caused by Malassezia furfur. Under KOH mount, it shows a characteristic "spaghetti and meatballs" appearance (hyphae and spores).
Flashcard 533: Tinea _____ = fungal infection of the body
Tinea cruris = fungal infection of the groin
Answer: corporis
Flashcard 534:
_____ is a chronic skin condition affecting the pilosebaceous unit leading to non-inflammatory comedones and/or inflammatory acne
Answer: Acne vulgaris
Extra: Acne vulgaris primarily affects areas with high densities of sebaceous glands (face, upper back, and chest).
Flashcard 535: _____ is most commonly associated with acne vulgaris
Answer: Cutibacterium (Propionibacterium) acnes
Flashcard 536:
What investigation is done for suspected tinea pedis if uncertain or targeted treatment is needed?
_____
Answer: Skin samples for microscopic & fungal culture examination
Flashcard 537: Dermatophytes thrive in warm, _____ environments (e.g. locker rooms, public pools, hyperhidrosis)
Answer: humid
Flashcard 538: A child presents with a patchy area of _____ with scaling, 'black dots', and cervical lymphadenopathy. Diagnosis? = Tinea capitis
Answer: alopecia
Extra: Tinea capitis is a fungal infection of the scalp hair follicles. The 'black dots' represent hairs broken off at the surface. Wood's lamp examination and KOH mount are used for diagnosis.
Flashcard 539: Pityriasis versicolor is most commonly seen in _____
**bonus, why?
Answer: teenagers/young adults
Extra: Pityriasis versicolor is most common in these age groups due to increased **sebum production**, as *Malassezia* is a lipophilic fungus.
Flashcard 540:
What is the first-line management of pityriasis versicolor?
_____
Answer: Topical antifungals:
•
Terbinafine, clotrimazole, or miconazole cream
ketaconazole 2%, selenium sulphide shampoos (leave for 15 minutes then wash)
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