Guys I want clarification on this, someone posted on this forum that petechiae in fat embolism were due to "hemorrhagic thromboembolism secondary to cholesterol crystal-induced infarction", I was of the opinion that it resulted from platelet consumption following formation of platelet aggregates...
A group of teenagers go on a summer camping holiday in woods in Canada. One of the boys develops an expanding skin lesion that he ignores. It begins as a red macule with red outer borders without scaling. He later develops multiple annular secondary lesions and a severe headache. The most...
A 23 yr old woman has skin blistering that result from point mutatoin in a gene. Epidermal cell in this patient become frgaile and rupture. which of following is the most likely effect of gene mutation?
A Defective transport of vesicle from centrome to cell membrane
B Disrupted assembly of...
A 62 yr old man develops numerous superficial blisters over scalp, face, groin and trunk. New lesion develop over area subjected to minimal trauma. Biopsy of one of lesion show intraepidermal blister with suprabasal acantholysis. Serologic studies likely to show an autoantibody directed against...
A 25 year old man develops sudden appearance of flat plaques with silvery scales on the extensor aspect of his forearm. He had a trivial trauma on the same region 5 days back. On examination by a dermatologist, he finds that as the scales are being removed, bleeding takes place from beneath the...
A 67-year-old male presents with a slowly growing lesion that involves the lower portion of his left lower eyelid. You examine the lesion and find it to be a pearly papule with raised margins and a central ulcer (rodent ulcer). Histologic sections from this lesion would most likely reveal...
A 50-year-old woman has been bothered by a discolored area of skin on her forehead that has not faded during the past
3 years. On physical examination, there is a 0.8-cm red, rough-surfaced lesion on the right forehead above the eyebrow. A
biopsy specimen examined microscopically shows basal...
A 64 year old man comes to physician with several small red-brown lesions on his forehead. The patient has been a gardener for much of his life. Physical examination reveals that the lesions have a sandpaper like texture on palpation. The lesions are shown below-
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guys can any 1 help explain
how to differentiate between Basal cell carcinoma, squamous cell carcinoma and actinic keratosis?
they very confusing.
I know all the 3 are from excess exposure to sunlight
and actinic keratosis has some HORNS and is precoursor for SCC
Anything other than...
A 19-year-old man from connecticut presents to the emergency department (ED) after an episode of shortness of breath and syncope while at home. He reports having experienced recurrent episodes of irregular heartbeat and fatigue in the week before presentation. Today, the patient noticed numerous...
I read the mechanoreceptors almost ten times till date but I've never been able to remember those?
I just loose them the next day.
Is this topic high yield? if yes how should I get over these--any mnemonic?
A 9-year-old girl is brought to the physician by her parents because she has been scratching a group of small bumps on the skin of her forearm for the past month. On physical examination, there are five 0.4- to 0.9-cm, small, flat to slightly papular, pale brown lesions on the volar surface. The...
6yr old girl presents to EM department with a fever and a lacy body rash. Her mother says yesterday rash was only on her face, but by this morning, had spread to her trunk and extremities. Which of the following agent is mostly likely causative?
Hi guys. i would like to summarize IF of some Dermatologic Problems.
I. SLE associated Skin Lesion:
Click image to enlarge
Aka Band Test of SLE.Deposites are located along the Basal Membrane.
II. Pemphigus Vulgaris
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Note the stratum spinosum intercellular staining...
FA 2011 pg. 397
I've never been able to memorize these and honestly i don't even want to.
But I should be familiar with them so does anybody have an easy way to learn the high yield stuff about them?
Any good mnemonics?
I have Rapid Review Pathology (Goljan) and Kaplan Lecture Notes and BRS Pathology.
Which is the best source to study skin pathology from ?
I feel that Kaplan is too deficient and Goljan is too much...but this is just by skim-through..never really read it in depth
A 38-year-old female presents to your office over his elbows and knees bilaterally. Biopsy of the lesions shows a prominent parakeratotic stratum corneum with focal of neutrophil accumulation. If diagnosis of psoriasis is possible in this patient, which of the following cytokines should...
A 15-year-old girl has been finding a defect in the repair enzyme DNA polymerase DNA ligase by AP endonuclease. Which of the following will be most likely damaging the skin of this patient?
A) UV-A or UV-C
B) UV-D or UV-E
C) UV-B or UV-C
D) UV-E or UV-B
E) UV-B or UV-A
F) UV-A or UV-D