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Differential Diagnosis in Dermatopathology

Dilated pore vs. Pilar sheath acanthoma

Malignant neoplasms of B-lymphocytes especially that present themselves usually as papules, nodules, and tumors, sometimes solitary but at other times numerous, and often in clusters on any anatomic site. When "primary," B-cell lymphomas o…

Differential Diagnosis in Dermatopathology

Lymphocytoma cutis with lymphoid follicles vs. Follicular-cell lymphoma

Malignant neoplasms of B-lymphocytes especially that present themselves usually as papules, nodules, and tumors, sometimes solitary but at other times numerous, and often in clusters on any anatomic site. When "primary," B-cell lymphomas o…

Differential Diagnosis in Dermatopathology

Metastatic carcinoma from a breast vs. Morpheiform basal-cell carcinoma

Malignant neoplasms of B-lymphocytes especially that present themselves usually as papules, nodules, and tumors, sometimes solitary but at other times numerous, and often in clusters on any anatomic site. When "primary," B-cell lymphomas o…

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