Hourglass Deformity

Cardiology A focal stenotic ring within large arteries, typical of supravalvular aortic stenosis accompanied by dilated sinus of Valsalva, seen by aortography
Management Dacron™ or pericardial patch
Imaging A finding by ‘barium swallow’ in patients with combined sliding and para-oesophageal hernia of the esophagogastric junction, where the ‘waist’ of the hourglass corresponds to constriction from the hiatal ring
Urology A congenital malformation of the urinary bladder in which there is incomplete transverse reduplication of the bladder; most cases occur in men and are clinically insignificant

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References in periodicals archive ?

Two large, multicenter, double-blind, randomized, placebo-controlled, phase 3 clinical studies demonstrated that the use of collagenase is appropriate in Peyronie's disease when the following criteria were met: stable disease, curvature between 30[degrees] and 90[degrees], no hourglass deformity, no calcified plaque, plaque is not proximally located at the base of the penis, and normal erectile function (Gelbard et al., 2013; Levine et al, 2015).

Clostridium Histolyticum (Xiaflex[R]) for the Treatment Of Peyronie's Disease

Hourglass deformity of urinary bladder (arrows) was seen as a result of the compression of two extraperitoneal paravesical soft tissue bulky masses (asterisks) (Figure 1(a)).

Prostatic-Like Syndrome in a Woman with Chronic Lymphocytic Leukemia: Sequential Kinase Inhibitor Therapy

You can see the hourglass deformity that has occurred from compression.

Big boomers: bad news for your median nerve?

Such an overly aggressive operation can result in concurrent dorsal concavity (saddle-nose deformity) or a narrowing of the middle third of the nose (hourglass deformity).