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Sacral dimple: 13–37 Cardiac defects 3–25 ... Structural brain MRI Head circumference up to 36 months Nephrology: Renal and bladder ultrasonography Cardiology:
Sacral dimples are often spotted in post-natal checks by pediatricians, [3] [5] who can check: whether the floor of the dimple is covered with skin; whether there is a tuft of hair in the dimple; whether there are potentially related problems such as weak lower limbs; the distance from the buttocks to the dimple (closer is better).
It stretches from median sacral crest [3] and the free margin of the sacral hiatus [1] to the dorsal surface of the coccyx. [1] The lateral sacrococcygeal ligaments run from the lower lateral angles of the sacrum to the transverse processes of the first coccygeal vertebra to complete the foramina for the last sacral nerve. [1]
If a deletion includes the TCF4 gene (located at 55,222,331-55,664,787), features of Pitt-Hopkins may be present, including abnormal corpus callosum, short neck, small penis, accessory and wide-spaced nipples, broad or clubbed fingers, and sacral dimple. Those with deletions inclusive of TCF4 have a significantly more severe cognitive phenotype.
Many individuals may exhibit EEG, CT, or MRI abnormalities. Hyporeflexia, gait abnormalities, and truncal or symmetric limb hypotonia were observed in at least 15% of individuals in a cohort of 136 16p11.2 deletion carriers. [5] Sensorineural or conductive hearing loss and paroxysmal kinesigenic choreoathetosis are observed in some individuals.
The Altman type is significant in the contexts of management of labor and delivery, surgical approach, and complications of SCT. Serial ultrasound and MRI monitoring of SCTs in fetuses in utero has demonstrated that the Altman type can change over time. As the tumor grows, it can push between other organs and through the perineum to the body ...
As facial dimple surgeries continue to rise, so do dimple surgeries on the lower back. A sign of a " healthy " body, "Venus dimples" sit right at the base of the spine.
MRI imaging appears to be the gold standard for diagnosing a tethered cord. [16] [17] A tethered cord is often diagnosed as a "low conus". The conus medullaris (or lower termination of the spinal cord) normally terminates at or above the L1-2 disk space (where L1 is the first, or topmost lumbar vertebra). After about 3 months of age, a conus ...