True thyrnic hyperplaisa is characterized by massive thymic hypertrophy however, the normal thymic architecture is retained3. Massive thyrnic hyperplasia (MTH), a rare variant of hyperplasia of the thymus, is known to cause mediastinal compression or acute and recurrent respiratory infections in the pediatric age group. It needs to be distinguished from other commonly seen masses of the anterior mediastinum2.
Defining the Scope of Your Problem. Before you begin troubleshooting a problem, you must first define the scope of your problem. When defining the scope, you need to identify what is working and what is not working. Sometimes it is useful to identify another machine that is working as you expect.
There are names for functions, names for variables, and so on. When a name appears, it either defines the meaning of the name or refers to a definition elsewhere. The scope of a definition is the part of the program over which the definition holds. Every programming language has its own rules for determining scope. For example, in the following bit of Python, the second line refers to the x that was defined on the first line.