No abstract

The histologic changes in cutaneous sarcoidosis are more diverse than previously recognized. In sarcoidosis, foreign material may be a frequent nidus for cutaneous granuloma formation. Histologic examination without the clinical history could lead to a misdiagnosis of leprosy, syphilis, other infectious granulomas, rosacea, granuloma annulare, necrobiosis lipoidica, and foreign body reaction in selected cases from this series.

No abstract

No abstract

Background. Crystalglobulinemia syndrome (CS) is a rare vasculopathy that may arise as a complication of multiple myeloma (MM). Methods and Results. A patient with multiple myeloma in whom crystalglobulinemia syndrome was the initial manifestation with polyarthralgias, cutaneous ulceration, and lower limb ischemia requiring bilateral amputations is reported. Conclusion. The rare syndrome of crystalglobulinemia may be associated with multiple myeloma, so it is important that clinicians be aware of this syndrome and its clinical and morphologic features.

No abstract

MCCs frequently contain areas that histologically resemble BCC and other more common cutaneous malignancies. This can lead to diagnostic errors, particularly in small fragmented curettage specimens or frozen sections.

No abstract