Thursday, February 16, 2012

Men Syndromes

Multiple Endocrine Neoplasia Syndromes

•MEN 2A→ Mutation of germline RET ( neural crest cells)


Monday, February 06, 2012

King Leo


Lionel Messi on the TIME cover magazine, he is the best!
Source: Google

Sunday, January 29, 2012

Q: Facial angiofibroma

Patient has facial angiofibroma, ash-leaf spots of skin depigmentation, hx of seizures, and mental retardation.

What condition does this patient have?

What neoplasms is this patient at risk of developing?


Q: Encapsulated bacteria

Encapsulated bacteria

Mnemonic:
Some Killers Have Pretty Nice Capsules

Poorly Gram Stained

What organisms do not take gram stain?


Saturday, January 28, 2012

Cranial Nerves

Sensitive:  I, II, VIII
Motor: III, IV, VI, XI, XII
Mixed: V, VII, IX, X
Corticobulbar: V, VII, X, XI, XII

  • All CN nuclei receive double innervation (from both sides of cortex) → a lesion of tracts innervating CN nuclei won't result in any physical manifestation except CN VII (Nucleus has Upper & lower divisions) & some individuals CN XII (mainly contralateral bulbar innervatoin)

Friday, January 27, 2012

Aminoaciduria


Aminoaciduria
FANCONI SYNDROME

HARTNUP DISEASE
Generalized aminoaciduria
Including: ARGININE, PROLINE, HYDROXYPROLINE
Only neutral AA in urine
NO: Arginine, Proline, Hydroxyproline

Alanine, Serine, Threonine, Tyrosine, Tryptophan, Histidine, Valine, Leucine, Isoleucine, Phenylalanine
Proximal Renal Tubular:
·         Acidosis (loss of bicarbonate in Urine)
·         Aminoaciduria
·         Phosphaturia
·         Glucosuria
·         Aminoaciduria
·         Renal & Intestinal Tryptophan absorption defect
·         Pelagra like + ATAXIA + Photosensibilidad
              (Dermatitis, Diarrhea, Dementia)



Q: Cystic Tumor

Cystic Tumor in the Cerebellum of a child:

Most likely: