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Vol. 35. Issue 1.
Pages 34-37 (January - February 2016)
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Vol. 35. Issue 1.
Pages 34-37 (January - February 2016)
Clinical note
DOI: 10.1016/j.remnie.2015.10.013
Numb chin syndrome as a manifestation of jaw metastasis diagnosed in a bone scan
Hipoestesia mentoniana como manifestación de metástasis mandibular diagnosticada en la gammagrafía ósea
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E. Noriega
Corresponding author
edelnoriega@gmail.com

Corresponding author.
, A. Sabaté-Llobera, A. Benítez, G.A. Martínez, J. Rodríguez-Rubio, J. Mora
Servei de Medicina Nuclear, Hospital Universitari de Bellvitge-IDIBELL, Universitat de Barcelona, L’Hospitalet de Llobregat, Barcelona, Spain
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Abstract

In many cases, numb chin syndrome (NCS) may represent a banal pathology. However, as it can be associated with malignant processes, its presence should alert the clinician of a possible occult disease. In patients already diagnosed with cancer, it often represents an ominous sign that indicates poor prognosis, due to the rapid progress of the disease.

The case of a 62-year-old man diagnosed with synchronous lung and bladder cancer, who suddenly complained of numbness in the chin, is presented. The bone scan confirmed the suspicion of metastastic bone disease, and the patient died two months after the appearance of this sign.

Keywords:
Numb chin syndrome
Hypoaesthesia
Facial numbness
SPECT/CT
Bone scan
Mandibular metastasis
Resumen

El síndrome del mentón entumecido (numb chin syndrome [NCS]) en muchos casos puede representar una patología banal, pero al poder asociarse con procesos malignos, su presencia debe alertar al clínico como posible manifestación de una enfermedad maligna oculta. En pacientes previamente diagnosticados de una neoplasia, representa a menudo un signo ominoso que indica mal pronóstico por el rápido progreso de la enfermedad.

Se presenta el caso de un paciente de 62 años diagnosticado de cáncer de pulmón y de vejiga que aqueja sensación de «acorchamiento» en zona mentoniana. La gammagrafía ósea confirma la sospecha de enfermedad metastásica ósea falleciendo a los 2 meses de manifestarse este signo.

Palabras clave:
Signo de Roger
Hipoestesia
Mentón entumecido
SPECT/TC
Gammagrafía ósea
Metástasis mandibular

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