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A solid circumscribed elevation of the skin varying from less than 0.1 to 1 centimeter in diameter.



a nodular elevation of the skin; an element of a skin rash. Papules accompany certain diseases of the skin and mucous membranes. They occur in different sizes, colors, and consistencies; in shape they may be conical, hemispheric, or flat. Inflammatory papules indicate the presence in the skin of an infiltrate, as in syphilis. An example of noninflammatory papules is the thickening of the epidermis in warts.

References in periodicals archive ?
lymphoproliferative disorders, such as cutaneous anaplastic large cell lymphoma and lymphomatoid papulosis.
The primary cutaneous CD30+ lymphoproliferative disorders include Anaplastic large T cell lymphoma/null-cell primary cutaneous type ALCL, lymphomatoid papulosis (LyP), and borderline cases of the EORTC classification with overlapping features of the other two conditions.
These histologic changes were most consistent with lymphomatoid papulosis.
In addition, many types of cutaneous lymphoma can have similar histomorphologic features--for example, some tumoral lesions of mycosis fungoides (MF) with large cell transformation cannot be reliably distinguished from anaplastic large cell lymphoma or lymphomatoid papulosis by hematoxylin-eosin sections or even IHC.
Linear verrucous epidermal nevus, condyloma acuminata and bowenoid papulosis were excluded by history and histopathological data.
Understand the characteristic clinical, morphologic, immunophenotypic, cytochemical, and cytogenetic/ molecular features of acute myeloid leukemia, acute lymphoid leukemia, myelodysplastic syndromes, paroxysmal nocturnal hemoglobinemia, multiple myeloma, monoclonal gammopathy of undetermined significance, non-Hodgkin and Hodgkin lymphoma, neuroblastoma, chronic lymphoproliferative disorders, lymphomatoid granulomatosis, posttransplant lymphoproliferative disorder, polymorphic and lymphomatoid papulosis, and histiocytic disorders.
Conditions resulting in inflammatory hemorrhage include leukocytoclastic or necrotizing vasculitis, although a few nonvasculitic conditions can be associated with palpable purpura and include chronic pigmented purpura, pityriasis lichenoides et varioliformis acuta (PLEVA), lymphomatoid papulosis, and erythema multiforme.
Otra inusual presentacion clinica en la poblacion VIH infectada es la papulosis bowenoide, caracterizada por multiples papulas planas, hiperpigmentadas e hiperqueratosicas de curso cronico en el dorso del pene.
At the T-Cell Lymphoma Forum in January 2012, interim data were presented from a phase II investigator-sponsored trial in CD30-positive CTCL patients, including lymphomatoid papulosis, primary cutaneous anaplastic large cell lymphoma (pcALCL) or MF.
57) Condyloma reactivity is similarly negative, sporadic (<5% isolated cells), or focal (<25%, small clusters), in comparison to the diffuse, full-thickness positivity seen in bowenoid papulosis.