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.
Definition of Scope. The scope of a variable, sometimes referred to as accessibility of a variable, refers to where the variable can be read from and/or written to, and the variable's lifetime, or how long it stays in memory.