Abstract: A treatment chamber, preferably a medical treatment chamber for treating articles, preferably medical articles, devices and equipment, more particularly within the scope of sterilizing processes, including a treatment compartment which is surrounded by a lower wall element, a plurality of lateral wall elements and an upper wall element, wherein the treatment compartment is hermetically sealed or sealable for generating a desired internal pressure therein and can be temperature-controlled for generating a desired internal temperature therein, wherein at least one of the wall elements is formed of at least one hollow chamber section is disclosed.