discoid

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discoid

[′dis‚kȯid]
(biology)
Being flat and circular in form.
Any structure shaped like a disc.
References in periodicals archive ?
Discoid meniscus was first defined in 1889, and it has been argued that it is observed only in the LM (4,6,8,9,19).
The congenital discoid meniscus. J Bone Joint Surg 1948;30:671-82.
[6] The reported incidence of discoid meniscus ranges from 0.4% to 17% for the lateral and 0.06% to 0.3% for the medial side.
Discoid meniscus was classified according to Watanabe et al where if the meniscus occupied more than 80% of the tibial plateau it is considered as complete type and less than 80% but wider than usual is called as incomplete type and as a Wrisberg ligament.
Finally, there were 87 patients with right torn discoid lateral meniscus enrolled in the torn group, consisting of complete discoid meniscus in 49 cases and incomplete discoid meniscus in 38 cases.
Violas, "Discoid meniscus associated with agenesis of the anterior cruciate ligament in an 8-year-old child," Orthopaedics and Traumatology: Surgery and Research, vol.
(22) Other criteria used to diagnose lateral discoid meniscus include the following:
Coronal and sagittal MRI of the right knee showed Grade III discoid meniscus tear.
There are different classifications for discoid meniscus being Watanabe, the most accepted, in which discoid meniscus is classified into three different types according to the arthroscopic aspect: type I or complete, type II or incomplete, and type III or Wrisberg-ligament type in which the posterior meniscofemoral attachment is absent resulting in an unstable meniscus with hypermobility [5].
(2,4) A discoid meniscus, which has a thickened body portion, can have the normal bow-tie appearance even when a BHT is present.
(1988), (11) talking about the necessity to reduce substantially the thickness and the width of discoid meniscus during the surgical procedure, describes, that the menisci show thickness and width of 6-8mm and 12- 13mm, respectively.
NORMAL MENISCAL VARIANTS: The Discoid Meniscus: It is a congenital anomaly found usually in lateral meniscus.