Measurement of ventricular size: reliability of the frontal and occipital horn
ratio compared to subjective assessment.
Magnetic resonance imaging (MRI) showed purulent material in the right occipital horn
without abscess formation (Figure 1) and dural enhancement on the frontal and parietal convexities bilaterally (Figure 2).
An overview and update of ATP7A mutations leading to Menkes disease and occipital horn
Global involutional changes, bilateral old lacunar infarcts and acute infarcts at splenium of corpus callosum and deep white matter along the occipital horn
of the right lateral ventricle were identified.
Cranial MRI (done without contrast due to financial constraints) at seven days postictus revealed a 4.6 x 4.3 x 2.5 cm parenchymal hematoma in the right parietooccipital area with a volume of 26 cc, compressing the occipital horn
of the right lateral ventricle (Figure 3).
* Areas of subependymal calcification or tubers seen involving frontal horns, right occipital horn
largest of size 9 x 8 mm.
2a and 2b) and in the occipital horn
of the right lateral ventricle.
The mass measured 46 cm x 80 cm x 51cm and demonstrated significant mass effect, resulting in a 13 mm midline shift, compression of brainstem, and effacement of the occipital horn
of the right lateral ventricle and ambient cistern (Figure 2).
The three largest lesions within the left posterior centrum semiovale (2A), left globus pallidus (2B) and left posterior corona radiata adjacent to the occipital horn
(2C) measured 1.5 cm, 1.0 cm and 1.0 cm respectively.
A head computed tomography scan demonstrated a 3.4X3.0X3.1-cm mass with hemorrhage in the occipital horn
of the left lateral ventricle and atrium.
They may circulate freely throughout the cerebrospinal fluid (CSF) pathways or become attached to the ependyma anywhere in the ventricles, but their predilection is for the occipital horn
of the lateral ventricles and fourth ventricle.
Periventricular WML were also rated as per region: Adjacent to frontal horns (frontal capping), Adjacent to lateral wall of lateral ventricles (bands), Adjacent to occipital horn