What is Genomic Imprinting?
Discussion Silver-Russell syndrome (SRS) is a rare genetic syndrome first characterized by Silver in 1953 and Russell in 1954. Patients with SRS have characteristic growth patterns and clinical findings, although within an individual patient there are phenotypical differences. Patients are born small-for-gestational age (SGA) but have a relative macrocephaly. There is postnatal growth failure and difficulty feeding, with a very low body mass index. Body asymmetry (e.g. hemihypertrophy) and facial features (i.e. protruding forehead, triangular facies, micrognathia, dental anomalies, downturned mouth corners, and ear anomali...
Source: PediatricEducation.org - November 26, 2018 Category: Pediatrics Authors: pediatriceducationmin Tags: Uncategorized Source Type: news

What is the Recurrence Rate for Guillian-Barr é Syndrome and Should She Get An Influenza Vaccine?
Discussion Guillian-Barré syndrome (GBS) is an acquired, acute, inflammatory, demyelinating polyneuropathy. It is the most common cause of acute and subacute flaccid paralysis in children. GBS causes about 0.4-1.3 cases per 100,000 persons/year in children. It can occur in any age group and the incidence increases among all age groups until a peak in the 50s. Both genders are affected and there may be a slight increase in males. GBS usually occurs 2-4 weeks after a prodromal gastroenteritis or respiratory illness. GBS causes autoantibody production against Schwann cells of the neuron and the axon itself. There is ...
Source: PediatricEducation.org - November 19, 2018 Category: Pediatrics Authors: pediatriceducationmin Tags: Uncategorized Source Type: news

What Causes Post-Inflammatory Hypopigmentation?
Discussion Hypopigmentation can be worrisome for many families because of cosmesis and the worry that “something is wrong.” The normal natural changes in skin-tone over the year due to different light exposure and wide variations within individuals is not something that many people are aware of. Post-inflammatory hypopigmentation is a common cause of hypopigmentation. Vitiligo is the most common cause of depigmentation. Vitiligo is an acquired, depigmenting disorder with typical lesions appearing as milky white macules with distinct margins that are not scaly. Hair (including eyebrows and eyelashes) can be dep...
Source: PediatricEducation.org - November 12, 2018 Category: Pediatrics Authors: pediatriceducationmin Tags: Uncategorized Source Type: news

What is the Dutch Protocol for Gender Dysphoria?
Discussion Terminology related to gender∂has changed over time and with newer more specific terminology developing more consensus. Also terminology used by patients to describe themselves or their situation may be different than below. “Gender – denotes the public (and usually legally recognized) lived role as boy or girl, man or woman. Biological factors combined with social and psychological factors contribute to gender development.” Gender is not dichotomous and other terms such as third gender, agender or gender queer reflect this. “Assigned gender – refers to a person’s initial ...
Source: PediatricEducation.org - November 5, 2018 Category: Pediatrics Authors: pediatriceducationmin Tags: Uncategorized Source Type: news

Frostbite After Cryotherapy?
Discussion Veruccae plantaris or plantar warts are caused by Human Papillomavirus which causes benign epidermal tumors that often have a cauliflower pattern on the foot that may be elevated or flush with the surrounding skin. Lesions may resemble calluses but the normal footprint pattern is disrupted. The lesions often have pinpoint hemorrhages that appear as black dots. In an immunocompetent individual, the lesions usually have spontaneous resolution within 2 years but the infection may spread to create additional lesions. The lesions may also cause pain or discomfort because of their size or location. There are numerous...
Source: PediatricEducation.org - October 29, 2018 Category: Pediatrics Authors: pediatriceducationmin Tags: Uncategorized Source Type: news