Although various strategies have been proposed for evaluation, there are still cases with undetermined origins even after extensive workup.
Suspicion of a multiple myeloma or metastases in the bones with an undetermined origin was raised.
As mentioned above, our results revealed a greater proportion of cases with fever of undetermined origin (46%) than those with microbiologically documented fever (38%) and clinically documented fever (16%).
Though rare, AOSD-like PNS can be one of the potential diagnoses in lung cancer patients with fever of undetermined origin, especially those having no response to antibiotic treatment.
Three sheep with histopathological evidence of leucoencephalopathy of undetermined origin presented with episodes resembling seizures although loss of consciousness, salivation, urination or defecation, which usually accompany seizures [ 26], were not described.
Two well-designed studies have been performed in children: one study included 121 neonates having early sepsis [22] and another studied 384 children aged 1 to 36 months with acute fever of undetermined origin (Manzano, Bailey et al. 2010; Esposito, Tagliabue et al. 2011).
Findings from these studies reveal diets dominated by fine particulate detritus, usually of undetermined origin, mixed with lesser fractions of algae, other plant matter, and occasionally benthic invertebrates.
This region specific self report questionnaire is designed to measure pain and disability associated with shoulder pain of musculoskeletal or undetermined origin.
In this pilot study we searched for sex-chromosomal mosaicism in gonads of patients with XX or XY gonadal dysgenesis of undetermined origin.
Patients with opportunistic infections, acute hepatitis, liver insufficiency, neoplasms or fever of undetermined origin were excluded from the study.
