Tuesday, February 19, 2008

eponyms in medicine - part 17

161 - Auerbach’s plexus is myenteric plexus - between the longitudinal and circular layers of muscle; provides motor innervation to the two muscle layers and secretomotor innervation to the mucosa.

162 - Magendie - foramen of is midline foramen exiting out of fourth ventricle.

163 - Bertin - renal columns of is the spaces between adjacent pyramids where cortical tissue extends into .

164 - Hutchinson-Guilford syndrome is aka progeria a condition in which the normal development of the first year is followed by gross retardation of growth - with a senile appearance characterized by dry wrinkled skin - total alopecia - and bird-like facies; genetics unclear.

165 - Stein-Leventhal syndrome is polycystic ovarian disease.

166 - Maroni sign is erythema of the skin overlying thyroid in hyperthyroidism.

167 - Lhermitte-Duclos disease is dysplastic cerebellar gangliocytoma; associated with germ line PTEN mutations; felt to be a part of multiple hamartoma syndrome or Cowden’s syndrome.

168 - Ball’s disease is intracerebral leukocytostasis - potentially fatal complication of acute leukemia (especially AML) when peripheral blast cell count >100 -000/uL; leukemic cells capable of invading through endothelium and causing hemorrhage into brain; not generally seen with CLL or CML.

169 - Costen’s syndrome is ear pain - tinnitus - impaired hearing - and dizziness from temporomandibular joint dysfunction.

170 - Bohr equation is Vd/Vt - for determining ratio of physiologic dead space.

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