Ana Cristina Diniz Silva

10 Questions 22 Answers 0 Followers

Questions related from Ana Cristina Diniz Silva

Do patients who are hypermetabolic or athletes break down botulinum toxin faster than those who are not?

I haven't found any evidence regarding the duration of botulinum toxin effects in athletes! In my clinical experience, it tends to last less...

31 January 2018 9,819 5 View

Complex traumatic forearm lesion and the risk of ulnar nerve injury?

Young male is admitted in the emergency room with deep blunt laceration in the medial aspect of the right forearm, in association with numbness of the 4th and 5th fingers. However, all the...

16 December 2017 7,155 5 View

Why do common warts tend to be self-limited in children and persistent in adults?

I'm looking for evidence regarding some existing immunological difference between adults and children, and found nothing...

02 November 2017 2,094 3 View

What is the meaning of persistent high serum levels of anti-SSA/Ro in a patient with alopecia areata?

40-year-old female presents with an 8-year history of alopecia. No other symptoms, no regular medication. Clinical and dermoscopic features of alopecia areata (attached pictures). Reviewing her...

06 July 2017 9,552 1 View

Dermoscopy decreases unnecessary biopsies

One of the greatest benefits of dermoscopy is to decrease the rates of unnecessary surgical excisions and biopsies, which leads to a reduction in both costs and invasive procedures. In this...

18 June 2017 2,345 7 View

Is there any known association between alopecia areata and innalatory toxic agents?

I live in an industrial area, particularly manufacture of steel and cellulose, and I have been observing an increasing incidence of AA in patients with no other comorbidities or autoimmune...

27 May 2017 9,915 4 View

Dermoscopy picture (clinical case, SCC): how to manage an elderly with comorbidities including a non-healing foot ulcer?

Diabetic male, 76 years old, black skin, in peritoneal dialysis, main complaint of a non-healing foot ulcer. During examination, I found this single lesion on the the scalp by chance. Dermoscopy...

23 April 2017 6,959 5 View

Dermoscopy picture to discuss (clinical case): seborrheic keratosis or melanoma?

89-year-old man, extensively photodamaged skin with widespread skin tags and SK. This unique lesion on the right temple concerned me (attached files, dermoscopy and macroscopy pictures).

16 April 2017 1,946 12 View

What's the role of low serum levels of vitamin D, vitamin A and calcium in the pathogenesis of obesity?

Is there evidence that replacement optimizes weight management?

21 March 2017 8,278 2 View

Highly recurrent herpes + lymphopenia

This is a challenging case I've been facing, about a 65-year-old lady presenting with weekly recurrences of herpes infection on sacrum and inner thigh (most likely HSV type 2) in the last 20...

01 January 1970 1,329 20 View