Subcontractor Agreement Basics. Whether you're a subcontractor or just hiring one, a subcontractor agreement helps protect both your interests. As an agreement between a general contractor and a subcontractor, it describes the services and materials provided by the subcontractor, price of the work, and warranties of the parties. Other important clauses include insurance, default, change orders, and indemnification.
A subcortical heterotopia may appear to have mass effect on the adjacent ventricle, so it is important to use imaging clues, such as lack of enhancement, isointense signal to gray matter, lack of associated edema, and diminished volume in the affected region of brain, to differentiate this entity from tumor.
Subcortical band heterotopia or double cortex syndrome is a brain cortical malformation (likely due to premature arrest of neuronal migration) characterized by the presence of symmetrical and bilateral bands of heterotopic gray matter located between the ventricular wall and the cortical mantle and clearly separated from both .