Fanconi anemia

Sangre y sistema linforreticular

Preguntas

Preguntas del estilo USMLE® Step 1

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A 16-month-old boy is brought by his parents to the pediatrics PA’s office to establish care. The patient’s family recently immigrated from Eastern Europe, and medical records are not available. The mother notes that the patient has not been growing as quickly as his siblings grew. In the office, the patient’s temperature is 37.5°C (99.5°F), blood pressure is 105/62 mmHg, pulse is 100/min, and respirations are 28/min. Physical exam reveals hyperpigmented spots on the patient’s body and hypoplastic thumbs. The patient’s height, weight, and head circumference are below the 3rd percentile. Laboratory testing reveals the following results:

Laboratory value	Result	Reference Range
Hemoglobin	8.1 g/dL	13.5-17.5 g/dL
Leukocyte	2,300/mm³	4,500-11,000/mm³
Platelet	65,000/mm³	150,000-400,000/mm³
Mean Corpuscular Volume	109 mm³	80-100 mm³

The patient’s condition is most likely due to a defect involving which of the following processes?

Aspectos destacados

en inglés

Fanconi anemia (FA) is an autosomal recessive disorder in which there is decreased production of red blood cells (anemia), white blood cells, and platelets due to bone marrow failure. This can cause problems with the immune system, increase the risk of infection, and can lead to bleeding problems. People with FA may also have stature, upper limb malformations, and an increased incidence of acute myeloid leukemia.

Fanconi anemia

Vídeos

Notas

Fanconi anemia

Anemia, citopenias y anemias por policitemia

Trastornos de la coagulación (condiciones hipercoaguables e hipocoagulables)

Trastornos infecciosos e inmunológicos

Neoplasias

Trastornos traumáticos, mecánicos y vasculares

Revisión de la patología sanguínea y del sistema linfarreticular

Preguntas

Preguntas del estilo USMLE® Step 1

Aspectos destacados

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Preguntas

Preguntas del estilo USMLE® Step 1