Search results for "Differential diagnosis"
showing 10 items of 404 documents
Das Cogan-I-Syndrom
2003
Wir berichten uber 2 Patienten, die seit dem Sauglings- und Kleinkindesalter unter einem Cogan-I-Syndrom leiden.Bei diesem seltenen Krankheitsbild handelt es sich um eine akute oder schubweise Verschlechterung der Horleistung des Innenohrs mit vestibularer Symptomatik und einer nichtsyphilitischen interstitiellen Keratitis oder anderen entzundlichen okularen Symptomen beim atypischen Cogan-I-Syndrom. Die erste Patientin erkrankte im 5.Lebensjahr an verschiedenen okularen Entzundungen, sodass ein Auge im 8.Lebensjahr erblindete.Zu dieser Zeit begann die Horverschlechterung. Im Alter von 17 Jahren litt die Patientin beidseits unter einer an Taubheit grenzenden Schwerhorigkeit. Bei dem zweiten…
Die Bestimmung von Wachstumshormon (HGH) als Diagnosticum bei chromophoben und eosinophilen Adenomen der Hypophyse
1971
Der Wert der radioimmunologischen Bestimmung von Wachstumshormon (HGH) in der praoperativen Diagnostik von chromophoben und eosinophilen Adenomen der Hypophyse wird an 27 Fallen demonstriert. Als Funktionstest wird die Insulin-induzierte Hypoglykamie angewandt. Eine einfache Maszahl (FHGH) zur Auswertung der Ergebnisse wird vorgeschlagen, die durch Integration der Flachen unter den HGH-Kurven erhalten wird. Als indirekte Testverfahren zur Uberprufung der Hypophysenfunktion dienen ein Metopiron- und ein ACTH-Test.
Das idiopathische Skrotalödem – eine Differenzialdiagnose des akuten Skrotums
2017
Das akute idiopathische Skrotalodem (AISE) wird als eine seltene Ursache fur das Akute Skrotum angesehen. Nach Ausschluss der haufigeren Ursachen (Hoden- und Hydatidentorsion, Epididymitis, Hernie oder Hydrozele) erlauben die typischen klinischen Symptome und die charakteristischen Befunde bei der Dopplersonografie eine sichere Diagnosestellung, die in den meisten Fallen zur Vermeidung unnotiger Hodenfreilegungen beitragen kann.
Achalasie im Kindesalter: Eine separate Entität?
2007
Background Achalasia in childhood is rare, also the etiology and the pathogenesis of the early onset ort he disease is practically unknown. Little is known about the neuropathological changes in structure of the esophageal wall in non-hereditary, sporadic achalasia in children and ist differentiation to that in adults. The aim of our study was to examine the morphological properties or high-pressure zone of the lower esophageal sphincter in children who had undergone a Heller myotomy because of achalasia as well as to compare them with the pathological findings in adults. Methods Muscle biopsies of the smooth musculature, a 20 x 10 mm long segment of the myenteric of the distal esophagus (l…
Primary omental tumor with ultrastructural features of cellular schwannoma and absence of S-100 antigen reactivity.
1989
Summary We report a primary well-delimited, large mesenchymal omental neoplasm which appeared in a 58 year old man without neurofibromatous traces. The histological and ultrastructural features were consistent with a Schwann cell origin. However, repeated immunohistochemical reactions failed to demonstrate protein S-100 antigen reactivity in the neoplasic cells, the latter only expressing vimentin. The differential diagnosis with hemangiopericytoma is proposed.
Differential diagnosis of human hepatitis
2008
There is a variety of differential diagnoses of acute and chronic human hepatitis regularly seen in clinical praxis. Risk factor assessment for specific entities provides important information and should guide individual diagnostic procedures. Liver screening tests often remain the first indicator for hepatic pathologies and should include quantification of liver enzymes, liver function parameters and cholestatic parameters. Nevertheless, virus serology should always be done during further laboratory evaluation. To estimate the parenchymal liver damage and to exclude biliary obstruction or hepatic lesions an abdominal ultrasound scan is essential. A liver biopsy may complete the diagnostic …
Immunohistochemical Study as a Tool in Differential Diagnosis of Pediatric Malignant Rhabdoid Tumor
2010
Malignant rhabdoid tumors (MRTs) are aggressive childhood neoplasms, occurring mainly in the kidney and brain. We describe 2 unusual cases of extrarenal and noncranial location (liver and soft tissue with dissemination) mimicking hepatoblastoma, neuroblastoma or Ewing sarcoma. Both cases revealed a polyphenotypic profile, combined with cytokeratin, vimentin, and CD99 expression. INI1/BAF-47 showed negative protein nuclear expression in both cases, suggesting a diagnosis of MRT. An extensive immunohistochemical panel was performed to exclude pediatric tumors reminiscent of MRT. The genetic studies failed to detected MYCN amplification, 11q23 deletion, and EWS break-apart positivity. No alter…
Immunohistochemical detection of EWS and FLI-1 proteinss in Ewing sarcoma and primitive neuroectodermal tumors: comparative analysis with CD99 (MIC-2…
2001
The molecular analysis of the t(11;22) rearrangement involving EWS/FLI-1 genes is likely to be of diagnostic value in Ewing sarcoma (ES) and primitive neuroectodermal tumors (PNET). The objective of the current study was to analyze the immunohistochemical expression of the EWS and FLI-1 proteins in a group of small round-cell tumors (SRCT) to determine their specificity and relevance in their differential diagnosis. Forty-eight cases-10 conventional ES, 4 large-cell ES, 5 PNET, 9 neuroblastomas (NB), 6 undifferentiated synovial sarcomas (SS), 5 rhabdomyosarcomas (RB), 5 non-Hodgkin lymphomas (NHL), 1 round-cell liposarcoma, and 3 mesenchymal chondrosarcomas-were analyzed. Immunocytochemistr…
MOLECULAR CHAPERONES IN HUMAN SALIVARY GLANDS: HSP90 A BIOMARKER IN HEALTH AND DISEASE
2022
Lateralized periodic discharges in insular status epilepticus: A case report of a periodic EEG pattern associated with ictal manifestation
2019
Highlights • Focal status epilepticus has to be considered in the differential diagnosis of patients presenting with aphasia, even in the absence of previous history of epilepsy. • Aphasia can be a rare presenting sign of insular lobe epilepsy. • Lateralized periodic discharges could represent an EEG ictal pattern.