Invagination occurs often and idiopathically
in childhood (5).
GP is thought to occur secondary to physical or chemical irritation or idiopathically
; however, its etiology is disputed (9, 10).
This disease, observed mostly in adults, is a chronic lymphoproliferative disease that develops idiopathically
or secondary to other diseases including malignancy (1).
The majority of hypertension in the general population occur idiopathically
with no apparent causes and therefore are categorized as primary hypertension.
[3,4] It may appear idiopathically
, as well as alongside autoimmune, hematological, and infectious diseases.
These pathologies can either occur idiopathically
with advancing age or be triggered by intraocular inflammation such as uveitis.
Spontaneous CCFs are fistulas usually seen in patients with hypertension and mostly developing indirectly and idiopathically
in women over 50 years .
Anetoderma is classified as primary when it occurs idiopathically
from normal skin and secondary when it is preceded by an inflammatory or tumor-related skin condition, such as varicella, lupus erythematosus, lichen planus, or pilomatricoma [2-5].
Whether failing to rule out an idiopathic origin for an illness will result in the exclusion of the expert's testimony will depend on how often the illness arises idiopathically
. That is, if a small percentage of the cases of the disease are idiopathic, the expert's failure to rule out an idiopathic cause will likely not doom the opinion because experts are not generally expected to definitively rule out all potential causes.
While the etiology of CRPS may include different entities such as trauma, cerebrovascular event (CVE), myocardial infarction, and inflammatory diseases, it may also occur idiopathically
. (1) Although diagnosis of CRPS can be established based on anamnesis and physical examination, imaging methods such as radiography, magnetic resonance imaging, and three-phase bone scintigraphy may be useful in case of any doubt.
In terms of surgery, the results were similar when the lumbosacral spine was compromised idiopathically
or as secondary lipomatosis.