Adrenal gland – Adrenocortical adenoma showing diffuse strong Melan A+ positivity.
Adrenal gland - Adrenocortical adenoma showing diffuse strong Melan A+ positivity. Adrenal gland – Adrenocortical carcinoma with diffuse Melan A+ positivity of all tumor cells.
Adrenal gland - Adrenocortical carcinoma with diffuse Melan A+ positivity of all tumor cells. Breast – Breast cancer of no special type showing diffuse weak Melan A+ immunostaining.
Breast - Breast cancer of no special type showing diffuse weak Melan A+ immunostaining. Colon – Melan A+ negative colorectal adenocarcinoma.
Colon - Melan A+ negative colorectal adenocarcinoma. Kidney – Angiomyolipoma with a strong diffuse Melan A+ immunostaining.
Kidney - Angiomyolipoma with a strong diffuse Melan A+ immunostaining. Kidney – Angiomyolipoma with a weak to moderate Melan A+ immunostaining also involving fat cells.
Kidney - Angiomyolipoma with a weak to moderate Melan A+ immunostaining also involving fat cells. Kidney – Angiomyolipoma with a weak to moderate Melan A+ positivity.
Kidney - Angiomyolipoma with a weak to moderate Melan A+ positivity. Kidney – Oncocytoma with moderate Melan A+ immunostaining of tumor cells.
Kidney - Oncocytoma with moderate Melan A+ immunostaining of tumor cells. Pancreas – Melan A+ negative ductal adenocarcinoma.
Pancreas - Melan A+ negative ductal adenocarcinoma. Pharynx – Squamous cell carcinoma showing diffuse weak Melan A+ immunostaining.
Pharynx - Squamous cell carcinoma showing diffuse weak Melan A+ immunostaining. Prostate – Melan A+ negative prostatic adenocarcinoma (Gleason 3+3=6).
Prostate - Melan A+ negative prostatic adenocarcinoma (Gleason 3+3=6). Skin – Malignant melanoma displaying only a very faint (equivocal) Melan A+ immunostaining in about 50% of tumor cells.
Skin - Malignant melanoma displaying only a very faint (equivocal) Melan A+ immunostaining in about 50% of tumor cells.Skin – Malignant melanoma showing diffuse strong Melan A+ positivity.
Skin - Malignant melanoma showing diffuse strong Melan A+ positivity. Skin – Malignant melanoma showing Melan A+ immunostaining of variable intensity in tumor cells (mosaic pattern).
Skin - Malignant melanoma showing Melan A+ immunostaining of variable intensity in tumor cells (mosaic pattern).Skin – Malignant melanoma with strong Melan A+ positivity in all tumor cells.
Skin - Malignant melanoma with strong Melan A+ positivity in all tumor cells. Skin – Melan A+ negative basal cell carcinoma containing numerous (non-neoplastic) melanocytes.
Skin - Melan A+ negative basal cell carcinoma containing numerous (non-neoplastic) melanocytes. Skin – Melan A+ negative squamous cell carcinoma.
Skin - Melan A+ negative squamous cell carcinoma. Urinary bladder – Muscle-invasive urinary bladder cancer showing weak to moderate Melan A+ immunostaining.
Urinary bladder - Muscle-invasive urinary bladder cancer showing weak to moderate Melan A+ immunostaining. Urinary bladder – Muscle-invasive urinary bladder cancer with focal weak Melan A+ positivity.
Urinary bladder - Muscle-invasive urinary bladder cancer with focal weak Melan A+ positivity.