[Ischemic colitis associated with antithrombin deficiency]. / Colitis isquémica asociada a déficit de antitrombina III.

Colonic ischemia is one of the more common disorders of the colon in elderly people; the ischemic colitis can affect young people too. The splenic flexure, the descending colon and the sigmoid are the parts most commonly involved. Only in some cases it is possible to identify the specific cause of colonic ischemia. We report a case of ischemic colitis associated with antithrombin III deficiency.

Colitis isquémica asociada a déficit de antitrombina III / Ischemic colitis associated with antithrombin deficiency

La isquemia colónica es una de las patologías que más frecuentemente afectan al colon en ancianos, aunque puede también aparecer en personas jóvenes. El sigma y el colon izquierdo son las zonas que con más frecuencia se afectan. Aunque en la mayoría de los casos no se identifica una causa específica de isquemia, en otras ocasiones existe una causa desencadenante. Presentamos el caso de una enferma que desarrolló una colitis isquémica asociada a déficit congénito de antitrombina III (AU)

[Malignant epithelioid paravertebral schwannoma (author's transl)]. / Schwannoma epitelioide maligno paravertebral.

Tumors arising from the nerve sheaths are a controversial group of neoplasms because of disagreement regarding the clinical course and histopathologic characteristics. Malignant Schwannoma is a rare entity with aggressive biological behaviour (local infiltration and hematogenous metastases). The tumor arises from Schwann cells and may show diverse histological patterns. A malignant epithelioid paravertebral Schwannoma was diagnosed in a 48-year-old patient. Tumor metastases were demonstrated in the lungs, pericardium, liver, intestine, kidney, adrenals, bones and lymph nodes. The differential diagnosis and literature on this topic are commented on.