Longitudinal ridge alignment (dermatoglyphics): arthrogryposis, Holt-Oram syndrome

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Longitudinal ridge alignment (in palmar dermatoglyphics)

Prevalence in general population (GP): extraordinary rare [~0,01% | 1:1 | weight: 1,00]

Most likely diagnostic options for aongitudinal ridge alignment in palmar dermatoglyphics featured with e.g. the dermatoglyphic b-line and/or d-line - these dermatoglyphic main lines are starting in the palmar triradii below in respective the middle finger and pinky and ending at radial or central bottom of the palm (ranked by 'weight' for the general population):

- ASSOCIATED MEDICAL CONDITIONS:

• arthrogryposis [~50% | 1:10K | weight: 0,5]
• Holt-Oram syndrome [~35% | 1:100K | weight: 0,035]
• achondroplasia [~1% | 1:15K | weight: 0,007]

- ASSOCIATED PSYCHOLOGICAL CONDITIONS:

(Unknown)

[1st figure = prevalence hand sign in condition | 2nd
figure = prevalence condition in GP | 3rd figure =
estimated hand sign weight for condition relative
to GP (>0,5 = present in majority of GP)]

Longitudinal ridge alignment in the palmar dermatoglyphics.

Quick summary:
a large amount (~50%) of hands featured
with longitudinal palmar ridge alignment
involves arthrogryposis.

[In every 100 longitudinal palmar ridge alignment cases in the general population (GP) you can expect to find about 50 arthrogryposis cases, 3,5 Holt-Oram syndrome cases, etc.]

NOTICE: Keep in mind that every single hand sign always bares the potential
to have an association with multiple psychology- and/or health related themes;
a solid assessment always requires a consideration of hand sign combinations!

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