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- Hand Reading Course (7/33): DISEASES -

MEDICAL HAND READING, DISEASES & SYNDROMES!

- The previous part of this course reported that the many research programs on Down's syndrome have been most successfull. But various research programs on other diseases and syndromes have resulted in other interesting insights as well.

- This paragraph will firstly focuss on the 'syndrome family' of which Down's syndrome is an aspect: the so-called 'autosomal trisomies'. The next step will be a presentation on other syndromes (with a genetic malformation), which are accompagnied with hand stereotypes. And finally you will be informed about the present state of the developments in dermatoglyphic medical research.


Down's syndrome & other trisomies

- The genetic material of 'trisomy syndromes' is characterized by an extra chromosome on one of the 23 pairs of chromosomes. In Down's syndrome (trisomy 21) this extra chromosome is always observed on the 21th chromosome pair: see figure A-8 on the last page. Other examples are: Edward's syndrome (trisomy 18), Patau's syndrome (trisomy 13), and Warkany's syndrome (trisomy 8).

- The hands of people with a trisomy syndrome show very frequently a simian crease (about 40%). In Down's syndrome this percentage is usually a bit higher, and the highest percentage is observed in Edward's syndrome: see table B-1.

Stereotypes:

Normal

Trisomy 8

Trisomy 13

Trisomy 18

Trisomy 21

Discovered by:

-

Warkany

Patau

Edward

Down

Simian crease

1-5 %

40 %

60 %

75 %

60 %

t"

6 %

65 %

95 %

50 %

65 %

A-line: wrist

5 %

Zelfzaam

70 %

25 %

Zeldzaam

Fingerprint dermatoglyphics:

Large variation

Many arches + whorls

Many arches

Very many arches

Many ulnare loops

Table B-1: Common stereotype palmar 'trisomy features'.1-2

- Sources:

- 1 - Schaumann, B. & Alter, M. Dermatoglyphics in Medical Disorders. Springer-Verlag, New York., 1976.
- 2 - Loesch, D.L. Quantitative Dermatoglyphics: Classification, genetics, and pathology. Oxford Medical Publications, 1983.



- March 2016 update -

A brand new masterclass mini-course in scientific hand reading is available:

Decoding The Language of The Hand:
how to find 36 conditions with just 54 major hand signs!





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