[Relapsed Hodgkin lymphoma with only breast involvement: a rare case report].

Relapsed Hodgkin lymphoma with only breast involvement is rare. There is no specific clinical presentation. It can mimic another breast cancer or inflammatory disease.

[Erdheim-Chester disease: an aggressive systemic disease treated with cladribine with favorable outcome (a case report)].

Erdheim-Chester disease (ECD) is a form of non-langerhans histiocytosis mainly affecting men, whose pathophysiology is poorly understood. Clinical picture is heterogeneous. The presence of hair kidney sign on Ct scan is pathognomonic.

[Epigastralgia revealing primary pancreatic large B-cell lymphoma in a young patient: about a case].

Primitive malignant pancreatic non-Hodgkin's lymphoma (NHL) is an extremely rare site of extranodal NHL, accounting for less than 0.7% of all NHLs and less than 0.5% of malignant pancreatic tumors.