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2 Possible Causes for Well Grooved Philtrum

  • Trichorhinophalangeal Syndrome

    These may include a pear-shaped or rounded (bulbous) nose with small, underdeveloped nostrils (hypoplastic alae nasi); an abnormally long broad groove (philtrum) on the upper[rarediseases.org] […] lip as well as a long, protruding upper lip; underdeveloped cheek bones (malar hypoplasia); and/or an abnormally prominent upper jaw bone (maxilla).[rarediseases.org]

  • Trichorhinophalangeal Syndrome Type 1 and 3

    These may include a pear-shaped or rounded (bulbous) nose with small, underdeveloped nostrils (hypoplastic alae nasi); an abnormally long broad groove (philtrum) on the upper[rarediseases.org] […] lip as well as a long, protruding upper lip; underdeveloped cheek bones (malar hypoplasia); and/or an abnormally prominent upper jaw bone (maxilla).[rarediseases.org]

Further symptoms