Elastography in musculoskeletal imaging: A tool or a toy?

Elastography is a novel imaging technique based on ultrasound that evaluates the deformability of tissues to help characterize lesions. It is widely used and has been validated in many tissues (e.g., liver, breast, thyroid). It is also used in the study of musculoskeletal disease. Although the use of elastography in musculoskeletal radiology is limited by the variability and heterogeneity of tissues, it is a very promising technique. In this article, we aim to review the usefulness, possible indications, limitations, and future perspectives of this technique in musculoskeletal radiology.

[The role of MRI in congenital cystic lesions in the pelvis: a case of uterus didelphys with double vagina, hematocolpos, and ipsilateral renal agenesis.]. / Lesión quística congénita en la pelvis: un caso de útero didelfo con doble vagina, hematocolpos y agenesia renal ipsilateral: papel de la resonancia magnética.

We report a case of uterus didelphys with blind hemivagina and ipsilateral renal agenesis. This is an uncommon anomaly of the development of the Mullerian ducts in which a defect in one of the Wolffian ducts leads to failed induction in kidney formation and in the fusion of the Mullerian ducts. MRI plays a decisive role in the diagnosis and characterization of the malformation.

[Optic nerve hypoplasia associated to ectopic neurohypophysis]. / Hipoplasia del nervio optico asociada a neurohipófisis ectópica.

Hypoplasia of the optic nerve is a rare congenital anomaly of unknown etiology that is a frequent cause of blindness in children. It can present in isolation or associated to other malformations of the central nervous system. Magnetic resonance is the technique of choice for the study of this condition; it enables both the hypoplasia of the nerve and the possible associated malformations to be demonstrated. We present a case of optic nerve hypoplasia associated to ectopic neurohypophysis.