Video Experimental Relacionado
Updated: Jan 29, 2026
11:39
Using Unfixed, Frozen Tissues to Study Natural Mucin Distribution
Published on: September 21, 2012
48.5K
Más allá del apéndice inflamado: Neoplasia mucinosa apendicular de bajo grado - Énfasis en los hallazgos
Berkenye Csonka1, Ádám Ferenczi1, Anita Sejben1
1Department of Pathology, University of Szeged, 6725 Szeged, Hungary.
Diagnostics (Basel, Switzerland)
|January 28, 2026
Resumen
Las neoplasias mucinosas apendiculares de bajo grado (LAMN) pueden imitar la apendicitis, pero pueden provocar pseudomixoma peritoneal. Este caso destaca los desafíos diagnósticos y la importancia de un examen cuidadoso para la detección temprana de la diseminación peritoneal.
Área de la Ciencia:
- Gastroenterología
- Patología Quirúrgica
- Oncología
Sus antecedentes:
- Las neoplasias mucinosas apendiculares de bajo grado (LAMN) son tumores epiteliales raros.
- Las LAMN a menudo se presentan con síntomas similares a la apendicitis aguda.
- La progresión a pseudomixoma peritoneal puede causar una morbilidad significativa a largo plazo.
Objetivo del estudio:
- Informar un caso de LAMN con progresión inesperada.
- Destacar los desafíos diagnósticos asociados con LAMN.
- Enfatizar la importancia del examen macroscópico y el análisis histológico en la detección de la diseminación peritoneal.
Principales métodos:
- Reporte de caso de un hombre de 51 años con dolor periumbilical, náuseas y fiebre.
- El estudio diagnóstico incluyó ecografía abdominal y apendicectomía.
- Se realizaron exámenes histológicos y reoperación postoperatoria.
Principales resultados:
- La presentación clínica sugirió apendicitis aguda, pero la ecografía reveló dilatación quística del apéndice.
- La apendicectomía mostró un apéndice quístico, perlado con exudado mucinoso y diseminación extraapendicular.
- La reoperación postoperatoria confirmó pseudomixoma peritoneal.
Conclusiones:
- LAMN presenta un desafío diagnóstico, imitando a menudo la apendicitis aguda.
- El examen macroscópico meticuloso y la inclusión histológica completa son cruciales para el diagnóstico.
- Los hallazgos macroscópicos sutiles pueden indicar una diseminación peritoneal significativa, lo que requiere un manejo rápido.
Videos de Conceptos Relacionados
01:19Graded Potential
7.0K
Graded potentials are localized fluctuations in the cell membrane's electrical charge, commonly found in the dendrites of neurons. The magnitude of these potential changes depends on the strength of the initiating stimulus. In a membrane at its resting potential, a graded potential signifies a voltage shift either above -70 mV or below -70 mV.
Graded potentials fall into two categories: depolarizing and hyperpolarizing. Depolarizing graded potentials typically occur when sodium (Na+) or...
Graded potentials fall into two categories: depolarizing and hyperpolarizing. Depolarizing graded potentials typically occur when sodium (Na+) or...
7.0K
01:03Finding the Center of Gravity
4.4K
The center of gravity of a body is an imaginary point where the body's total weight is assumed to be concentrated, and the body is perfectly balanced. The center of the mass of a body is a point at which the whole of the mass of the body appears to be concentrated. If the acceleration due to gravity, g, has the same value at all points on a body, its center of gravity is identical to its center of mass. The center of gravity of homogeneous bodies such as a sphere, cube, or rectangular plate...
4.4K
01:15Types of Aggregate Grading
1.4K
Aggregate grading is crucial in economically obtaining a concrete mix with adequate strength, reasonable workability, and minimal segregation. There are four types of aggregate gradation: well-graded, uniformly (or one-sized) graded, gap-graded, and open-graded.
Well-graded aggregates include a complete range of necessary size fractions that fit together to create a dense matrix with minimal voids, represented by a smooth, continuous gradation curve. This type of grading ensures good...
Well-graded aggregates include a complete range of necessary size fractions that fit together to create a dense matrix with minimal voids, represented by a smooth, continuous gradation curve. This type of grading ensures good...
1.4K
01:30Respiratory System Abnormal Finding I: Inspection and Percussion
825
Respiratory system abnormalities are a significant concern in healthcare due to their potential to indicate underlying severe conditions like Chronic Obstructive Pulmonary Disease (COPD), asthma, and pneumonia. These abnormalities can often be detected through physical examination methods like inspection and percussion.
Inspection Findings
During an inspection, several findings may suggest the presence of respiratory distress or disease. Pursed-lip breathing, where exhalation is slowed by...
Inspection Findings
During an inspection, several findings may suggest the presence of respiratory distress or disease. Pursed-lip breathing, where exhalation is slowed by...
825
01:13Finding Electric Potential From Electric Field
5.5K
For a system of charges, it is easy to calculate the system's potential because potential is a scalar quantity. However, in some instances where calculating the electric field is more straightforward than finding the potential, the electric field is used to calculate the system's potential. For a positive charge, the electric field is radially outward, and the potential is positive at any finite distance from the positive charge. In such an electric field, the motion away from the...
5.5K
01:29Cardiovascular System Abnormal Findings I: Inspection and Palpation
878
In a cardiovascular examination, inspection and palpation are crucial for identifying abnormalities.
Abnormal findings observed during an inspection
Abnormal findings observed during an inspection
878