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The article describes cases of older patients with methotrexate-associated lymphoproliferative disorders (MTX-LPD). Topics cited include the cutaneous manifestations of MTX-LPD, association of MTX with Epstein-Barr virus (EBV) positive diffuse large B-cell lymphoma, spontaneous regression of lymphoma after MTX discontinuation, and expression of EBV in tumor cells.

Mucoceles of the paranasal sinus can be managed endoscopically with an extremely low recurrence rate. Frontal sinus mucoceles can sometimes be prevented from closing and reforming by stenting, which to the best of our knowledge has not yet been reported in the maxillary sinus. We describe the cases of 5 patients--3 men and 2 women, aged 47 to 75 years (mean: 59.6)--with a recurrent and intractable maxillary sinus mucocele that was managed with biliary T-tube stenting. The indications for stenting included recurrent episodes of mucocele with or without a lateral location with a relatively thick bony wall. A latex rubber pediatric biliary T-tube was endoscopically inserted through a window opening into the marsupialized mucocele. The stent was removed 6 to 14 months postoperatively in 4 cases; in the other case, the stent remained adequately positioned for 35 months. None of the patients experienced signs or symptoms of recurrence. We conclude that a T-tube stent can be used successfully to maintain long-term patency in patients with a recurrent and intractable maxillary mucocele, with patency being maintained even after removal of the stent. [ABSTRACT FROM AUTHOR]

The article describes the case of a 24-year-old Japanese woman diagnosed with lymphomatoid papulosis (LyP) type D, a histopathological variant simulating a primary cutaneous aggressive epidermotropic CD8 cytotoxic T-cell lymphoma. Topics discussed include the clinical characteristics of LyP, medical history of the patient, results of several tests performed on the patient including physical and laboratory and positive differential diagnosis of the case.

The article describes the case of a 70-year-old Japanese woman with neck tumor and diagnosed with cutaneous Rossai-Dorfman disease (RDD), a rare histiocytic proliferative disorder. Topics discussed include the size of the lesion on the patient's neck, results of several tests performed on the patient include physical examination, computed tomography and histological, phagocytosis in mononuclear cells, phagocytic cells positive for CD68 and clinical presentation of RDD.