Syphilis can mimic, clinically and microscopically, many other diseases. By microscopy,
typically syphilis presents with plasma cell infiltration, admixed with lymphocytes and …

Systemic sclerosis and morphea share a similar histopathologic pattern on skin biopsy, but
the 2 entities differ in their clinical manifestations. Common cutaneous findings in systemic …

BACKGROUND: Hepatic reactive lymphoid hyperplasia (RLH) is a rare benign
lymphoproliferative lesion and a poorly understood disease. It is usually asymptomatic and …

Discussion The precise mechanism of amyloid deposition in PCNA remains uncertain, and
diagnosis can be difficult, as 40% of primary systemic amyloidosis cases will have …

Cutaneous reactive lymphoid proliferation (CRLP) is a condition that resembles cutaneous
lymphoma, and differentiating the two is necessary for proper diagnosis and treatment. It can …

T-cell-rich angiomatoid polypoid pseudolymphoma (TRAPP) is a rare and recently defined
entity, conceptualized just over a decade ago. Recognition of TRAPP is important because it …

Reactive B‐cell rich lymphoid proliferation (rB‐LP), once called pseudolymphoma, is a
benign lymphoproliferative disorder, which is histologically characterized by dense dermal …

Zoon balanitis (ZB) is a mild and chronic inflammatory dermatosis that mostly affects
uncircumcised men of middle and old age. The etiology of this disease remains unknown …

A 25-year-old woman came to consult a dermatovenerologist. The woman complained of a
rapidly progressing painless lump on the right wing of her nose which developed after photo …

Cutaneous lymphoid hyperplasia (CLH), recognized as reactive B-cell-rich lymphoid
proliferations in the 5th edition of the World Health Organization Classification of …