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Inicio Revista Española de Medicina Nuclear e Imagen Molecular (English Edition) The contribution of 18F-FDG PET/CT in a patient with cutaneous metastases of squ...
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Vol. 33. Issue 5.
Pages 293-295 (September - October 2014)
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Vol. 33. Issue 5.
Pages 293-295 (September - October 2014)
Clinical note
The contribution of 18F-FDG PET/CT in a patient with cutaneous metastases of squamous cell carcinoma of the penis
Aportación de la 18F-FDG PET/TC en un paciente con metástasis cutáneas de un carcinoma de células escamosas de pene
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J. Banzoa,
Corresponding author
, M.A. Ubietoa, A. Andrésb, L. Tardínb, E.F. Rambaldeb, L.F. Cancerb, P. Razolab, E. Pratsb
a Unidad PET/TAC, Grupo Hospitalario Quirón La Floresta, Zaragoza, Spain
b Servicio de Medicina Nuclear, HCU Lozano Blesa, Zaragoza, Spain
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Abstract

A 61-year-old patient was diagnosed with squamous cell carcinoma of the penis (SCCP) and treated with partial penectomy (pT1,N0,M0,G2). Seven months later, a palpable adenopathy was found in the left inguinal region. An 18F-FDG PET/CT exploration showed hypermetabolic lymphadenopathies in inguinal, pelvic, retroperitoneal regions, in both lung hila and in the left supraclavicular regions. At the end of the 4th cycle of chemotherapy (cisplatin+5FU) the patient developed numerous skin metastases at the root of the left thigh and a pleural effusion in the right lung. In a new exploration with 18F-FDG PET/CT the number, size and metabolic activity of known lymphadenopathies decreased. Right pleural carcinomatosis and intense FDG uptake in cutaneous metastases were observed. Weeks later, the patient died. 18F-FDG-PET/TC may be useful in patients with SCCP and metastatic inguinal lymphadenopathies, to assess the response to chemotherapy and to detect other unsuspected metastases in the rare cases of cutaneous metastases.

Keywords:
Squamous cell carcinoma of the penis
Cutaneous metastases
18F-FDG PET/CT
Resumen

Paciente de 61 años diagnosticado de carcinoma de células escamosas de pene (CCEP) tratado mediante penectomía parcial (pT1,N0,M0,G2). Siete meses más tarde, se constata una adenopatía palpable en la región inguinal izquierda. Una exploración 18F-FDG PET/TC demostró adenopatías hipermetabólicas inguinales, pélvicas, retroperitoneales, en ambos hilios pulmonares y en la región supraclavicular izquierda. Al finalizar el 4° ciclo de quimioterapia (cisplatino + 5FU) el paciente desarrolla numerosas letálides en la raíz del muslo izquierdo y un derrame pleural derecho. En una nueva exploración 18F-FDG PET/TC se apreció disminución del número, tamaño y actividad metabólica de las adenopatías conocidas, carcinomatosis pleural derecha e intensa captación de FDG en las metástasis cutáneas. El paciente fallece semanas más tarde. La 18F-FDG-PET/TC puede ser útil en pacientes con CCEP y adenopatías inguinales metastásicas, para valorar la respuesta al tratamiento quimioterápico y en los raros casos de metástasis cutáneas para detectar otras metástasis no sospechadas.

Palabras clave:
Carcinoma de células escamosas de pene
Metástasis cutáneas
18F-FDG PET/TC

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