Video Experimental Relacionado
Updated: Feb 11, 2026
03:42
Author Spotlight: Advancements in Retroperitoneal Approach for Necrotizing Pancreatitis
Published on: March 15, 2024
1.2K
Hipercobalaminemia que lleva al diagnóstico de paraganglioma retroperitoneal: un informe de caso
Beatriz Vitó Madureira1, Daniela Soares1, Sara Vasconcelos1
1Internal Medicine, Local Health Unit of Entre Douro e Vouga, Santa Maria da Feira, PRT.
Cureus
|February 10, 2026
Resumen
Los niveles inexplicablemente altos de vitamina B12 llevaron al descubrimiento de un raro paraganglioma. Este caso pone de relieve la importancia de investigar la hipercobalaminemia para posibles tumores neuroendocrinos.
Área de la Ciencia:
- Endocrinología Endocrinología.
- Oncología Oncología.
- Patología Patología Patología.
Sus antecedentes:
- Los feocromocitomas y los paragangliomas (PPGLs) son tumores neuroendocrinos raros con presentaciones variadas.
- La hipercobalaminemia suele estar relacionada con trastornos hematológicos, enfermedades del hígado o malignidades, no específicamente con las PPGL.
Objetivo del estudio:
- Para informar un caso único en el que la hipercobalaminemia aislada fue el indicador principal para diagnosticar un paraganglioma retroperitoneal.
- Para enfatizar el valor diagnóstico de la hipercobalaminemia inexplicable en la identificación de tumores neuroendocrinos raros.
Principales métodos:
- Informe de caso de una mujer de 47 años con hipercobalaminemia persistente y molestias abdominales intermitentes.
- El trabajo de diagnóstico incluyó la exclusión de causas comunes de hipercobalaminemia, imágenes abdominales, histopatología, inmunohistoquímica y pruebas bioquímicas.
- La imagen PET Ga-DOTATOC se utilizó para evaluar la expresión del receptor de somatostatina.
Principales resultados:
- Las imágenes abdominales identificaron una masa para-aórtica retroperitoneal consistente con un paraganglioma.
- Las pruebas bioquímicas confirmaron niveles elevados de normetanefrina, lo que indica un tumor en funcionamiento.
- La PET Ga-DOTATOC confirmó la expresión del receptor de somatostatina, y el paciente se sometió a una resección quirúrgica exitosa.
Conclusiones:
- La hipercobalaminemia aislada puede ser un signo de presentación atípico para el paraganglioma.
- Los PPGL pueden presentarse sin los síntomas clásicos relacionados con las catecolaminas, lo que requiere consideraciones de diagnóstico más amplias.
- La hipercobalaminemia persistente después de la resección justifica un seguimiento continuo para posibles procesos neoplásicos residuales o no relacionados.
Palabras clave:
La hipercobalaminemia también es conocida como hipercobalaminemia.las metanefrinas y metanefrinas.Los tumores neuroendocrinos también son tumores neuroendocrinos.El paragangliomaoma es también conocido como paraganglioma.La masa retroperitoneal es la masa que se encuentra en la parte posterior del cuerpo.
Videos de Conceptos Relacionados
01:24Data Reporting and Recording
5.5K
Reporting and recording are crucial in data documentation. The timely, thorough, and accurate documentation of facts is essential when recording patient data. Failure to record findings during an assessment or interpretation of a problem will result in loss of information and make the patient document unreliable. The reader is left with general impressions if the information is not specific. A recording is documenting data of the individual's health information in a traceable, secure, and...
5.5K
01:22Nursing Diagnosis
4.2K
Following assessment, a nursing diagnosis is the next step in the nursing process. It begins after the nurse has collected and recorded the patient data. The purpose of diagnosing is to identify how the client responds to actual or potential health processes, identify factors that bestow or that cause health problems, the etiologies, and identify resources or strengths the individual, group, or community can draw on to prevent or resolve problems.
The nursing diagnosis focuses on evidence-based...
The nursing diagnosis focuses on evidence-based...
4.2K
01:22Phase-lead and Phase-lag Controllers
579
Understanding the working function of different types of controllers can be illustrated with practical analogies, such as adjusting a stereo's volume equalizer. Cranking up the bass involves a phase-lead controller, which functions as a high-pass filter, while increasing the treble uses a phase-lag controller, which acts as a low-pass filter. PD controllers, similar to high-pass filters, enhance the system's response to high-frequency components. PI controllers, akin to low-pass...
579
01:25Types of Reports I: Hands-off Report
1.5K
A hand-off report, also known as a change-of-shift report, is a crucial nursing process that ensures the smooth transition of patient care responsibilities between nursing staff.
Following are the key components and categories of hand-off reports:
Purpose and Process:
Following are the key components and categories of hand-off reports:
Purpose and Process:
1.5K
01:26Formulating and Validating Nursing Diagnosis I
4.0K
A nursing diagnosis is written when the nurse recognizes a cluster of essential patient data indicating health problems treated with independent nursing interventions. The standardized terminologies of a nursing diagnosis help nurses identify and treat patients' problems. Every electronic health record that uses nursing diagnosis must employ standard diagnostic terminology. Developing an efficient, individualized care plan begins with accurate nursing diagnoses.
There are thirteen domains...
There are thirteen domains...
4.0K
01:21Types of Reports II: Incident or Occurrence Report
1.3K
An Incident or Occurrence Report in a healthcare setting is a crucial document used to record any unexpected occurrence that may or may not have affected a patient, employee, or visitor. Such reports are critical to improving patient safety and include all details leading up to and including the event.
Purposes:
In the healthcare industry, reports play a crucial role in documenting incidents within an agency. The primary objective of these reports is to ensure patient safety, uphold the...
Purposes:
In the healthcare industry, reports play a crucial role in documenting incidents within an agency. The primary objective of these reports is to ensure patient safety, uphold the...
1.3K