a Médico residente en dermatología, b médico especialista en dermatología, c médico especialista en anatomía patológica. RESUMENLas metástasis cutáneas son eventos muy infrecuentes que corresponden a una invasión tumoral a distancia. Las metástasis de próstata tienen un orden de aparición de 1%; las localizaciones más comunes incluyen la región genital o suprapúbica y muy raramente se ubican a distancia. Reportamos el caso de un paciente varón con metástasis cutánea de adenocarcinoma de próstata de localización cervical y torácica superior, el cual presentaba además antecedente de tuberculosis pulmonar. La tomografía reveló la presencia de metástasis ósea, derrame pleural e infiltración de tejidos blandos del cuello. El estudio histopatológico confirmó la presencia de metástasis cutánea de neoplasia de próstata primaria. Presentamos el caso debido a su presentación inusual y por su importancia en el diagnóstico diferencial de esta patología. ABSTRACTCutaneous metastases are very rare events and are related to a distant tumor invasion. Prostate metastases have a 1% appearance rate; the most common locations include the genital or suprapubic region and are very rarely located at a distance. We report the case of a male patient with cutaneous metastasis of prostate adenocarcinoma located in the cervical and upper thoracic area. The patient also had a history of pulmonary tuberculosis. A CT scan revealed the presence of bone metastasis, pleural effusion, and infiltration of the soft tissues of the neck. The histopathological study confirmed the presence of cutaneous metastasis of primary prostate neoplasia. We present this case due to its unusualness and its importance in the differential diagnosis of this pathology.
Primary extramedullary colorectal plasmacytoma aim: To present a patient with an uncommon primary extramedullary plasmocytoma in the colon. case report: We report a case of a 64 year old female with wasting syndrome and low-gastrointestinal bleeding. Histology described colon and rectum with plasma cell infiltration in the muscle layer. The immunohistochemistry showed CD45 (+) and lambda (+). Infiltration of bone marrow and other places with a thoraco-abdominal-pelvic scan, blood tests, bone survey and bone marrow biopsy was discarded. Surgical management was performed by laparoscopic low anterior resection with end colostomy. conclusion: Primary plasmacytoma of colon is a rare clinical entity that is a challenge for the pathologist and surgeon, but early diagnosis contributes to early handling.
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