Surgical Pathology Update: Diagnostic Pearls for the Practicing Pathologist: Vol. III

• Describe the most common well-differentiated lipomatous tumors and the major diagnostic criteria for separating them from one another.
• Identify the most common morphologic patterns seen in soft tissue tumors.
• Apply the most useful immunohistochemical and molecular diagnostic techniques in the evaluation of soft tissue tumors.
• Discuss updates in the most recent WHO classification of renal tumors.
• Restate common and uncommon diagnostic pitfalls in bladder pathology.
• Explain how to reliably utilize both morphology and immunohistochemistry to differentiate germ cell tumors from mimics.
• Identify the histologic features of select cutaneous fibrohistiocytic tumors.
• Recognize cutaneous adnexal tumors that are associated with hereditary cancer predisposition syndromes.
• Describe the most useful ancillary diagnostic tests to aid in the diagnosis of challenging melanocytic lesions.
• Discuss current clinicopathologic diagnostic criteria for Barrett esophagus.
• Recognize the appearance of several medications that can be identified on routine histology.
• Explain the most common forms of gastritis with emphasis on the autoimmune form.
• Restate the natural history and disease biology of ductal carcinoma in situ.
• Recognize cytomorphologic pitfalls encountered in interpreting cerebrospinal fluid.
• Describe mediastinal anatomy and cytology sampling techniques.
• Discuss the appropriate use of p16 immunohistochemistry and HPV RNA in situ hybridization.
• Explain the TCGA molecular classification system of endometrial carcinoma.
• Review the interpretative challenges that attend MMR immunohistochemistry and understand the clinical implications of loss in tumors of the gynecologic tract.