Dermatology

2023-05-04 09:27:01 Correct Answer - B
Ans. B. Leishmaniasis

Volcano sign:
Descriptive term for the morphologic feature of Old World cutaneous
leishmaniasis.
Lesion starts as small non tender papule which enlarge in size and ulcerated in center.
-The border of crusted ulcer often has erythmatous rim called as 'volcano sign.'
@dermatology_vid Open / Comment

2023-04-29 17:43:01 Correct Answer - B
Ans. B. Loss of all body hair
[Ref Fitzpatrick]
In alopecia aerata, when there is total loss of scalp hair it is called
Alopecia totalis.
When there is loss of total body hair it is referred as Alopecia
universalis.
Alopecia along the scalp margin is called ophiasis.
An inverse ophiasis pattern (sisaphio) is when it spares occipital region and affects rest of the scalp.
@dermatology_vid Open / Comment

2023-04-25 18:12:00 Correct Answer - C
Ans. C. Plaque
Petechiae are small pin point purpuric macular lesions that occur
due to extravasation of red blood cells from cutaneous vessels into
the skin.
Echryosis are larger bruise like hemorrhagic lesions. Cause is
generally non inflammatory.
Plaque is a solid plateau like elevation that occupies a large surface
area in comparison to its height above the normal skin and has a
diameter more than 0.5 cms. There is no hemorrhage involved as
such
@dermatology_vid Open / Comment

2023-04-19 10:56:01 Correct Answer - C
Ans. is 'c' i.e., Testosterone
Predisposing factors for Acne vulgaris
Genetic factors
Hormones -4 Androgens, glucocorticoids.
Psychological stress and depression.
Environmental factors High temperature & humidity.
Cosmetics -3 Containing lenolin, petroleum, vegetable oils.
Infection --> Propionibacterium, Pityrosporum, Staph. epidermidis.
Menstural cycle -4 Premenstural aggravation.
Hyperkeratosis of pilosebaceous ostia.
Drugs Antepileptics (Carbamazepine, phenytoin, phenobarbitone),
antitubercular (INH, rifampin, ethionamide), antidepressants,
cyclosporine, Vitamin B12
.Cough syrups containing halogens
(Iodides, bromides).
@dermatology_vid Open / Comment

2023-04-14 21:11:01 Correct Answer - A
Ans. is 'a' i.e., Stratum corneum
After copulation, the male mite dies and the female mite burrows into
the superficial skin layer (stratum cornuem) at the rate of 2 mm/day.
Female mite lays eggs which hatch into larva, which moulds and
mature into adult mites.
The mite then burrows into stratum corneum.
These burrow is visible clinically as an irregular gray-brown line.
Burrow is a pathognomic sign for scabies.
@dermatology_vid Open / Comment

2023-04-10 20:18:01 Correct Answer - C
Ans. is 'c' i.e., Hyperthyroidism
Hair loss in combination with velvety skin is seen in patients with
excess of thyroid hormone production; thus the most probable
answer is hyperthyroidism
@dermatology_vid Open / Comment

2023-04-06 21:33:01 Correct Answer - D
Ans. is 'd' i.e., Crohns disease
Vitiligo is associated with the following autoimmune diseases :-
Alopecia areata
Diabetes mellitus
Hyperthyroidism
Hypothyroidism
Pernicious anemia
Addison disease
Multiple endocrinopathy syndrome
@dermatology_vid Open / Comment

2023-04-03 10:24:15 https://t.me/+4ANNVjleeGdkNWRl Open / Comment

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2023-02-24 06:55:06 Correct Answer - A
Sutton's nevus/halo's nevus : a halo of depigmentation appears around a preexisting melanocytic naevus.
Meyerson’s naevus is used to describe a melanocytic naevus that has developed
an associated inflammatory
reaction, which looks like eczema.
Ref: Rook's textbook of dermatology, 8th edition Pg 54.20. Open / Comment