Spontaneous Regression of Primary Thyroid Lymphoma: Two Rarities at the Same Time.

Primary thyroid lymphomas are pretty uncommon, and constitute about 5% of the neoplasms of this organ. Spontaneous tumor regression is defined as the total or partial disappearance of a tumor as proven by microscope without treatment or under inadequate treatment. It is estimated to happen in one out of 60,000-100,000 cases. We present a case of primary thyroid lymphoma with spontaneous regression after diagnostic puncture and corroborated with hemithyroidectomy at four months. The patient died after twenty-six months of follow-up because of endocarditis and there was no relapse at any time.

Hematopoyesis extramedular mediastínica en paciente con beta-talasemia mayor / Mediastinal extramedullary hematopoiesis in patient with beta-thalassemia major

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Exantema generalizado y linfocitosis como presentación clínica de leucemia/linfoma T del adulto / Generalized rash and lymphocytosis as clinical onset adult T-cell leukemia/lymphoma

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Síndrome de Upshaw-Schulman. A propósito de un caso condicionado por 3 variantes genómicas / Upshaw-Schulman syndrome. A case based on 3 genomic variants

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