Anti-tumor necrosis factor-alpha induced lupus (ATIL) represents a major diagnostic and therapeutic challenge. Most cases of ATIL are caused by infliximab, followed by etanercept and adalimumab. Symptoms can range from common, mild cutaneous lesions to rare, serious pleural or pericardial effusions, deep venous thrombosis, life-threatening pneumonitis, and neuritis. Constitutional symptoms often present in association with positive autoantibody serology. Diagnosis can be considered if there is a temporal relationship between symptoms and anti-tumor necrosis factor-α (TNF- α) therapy and at least one serologic and one non-serologic American College of Rheumatology criteria. Since it is contraindicated to use anti-TNF-α drugs in patients with systemic lupus erythematosus, it is recommended to perform a thorough immunological screening in any patient with polyarthritis to assure accurate diagnosis. In addition, prior to anti- TNF therapy, baseline immunological investigations (including antinuclear antibodies) should be performed, and there should be close follow up to assess the development of lupus manifestations. The main approach in the treatment of ATIL is withdrawal of the offending drug. Traditional therapy with corticosteroids and immunosuppressive agents may be required to achieve full resolution of lupus symptoms. In this review, we discuss the pathogenesis, clinical manifestations, and management of ATIL.

Objective: Meningeal carcinomatosis (MC) is a rare complication in breast cancer patients. It is defined as a diffuse or multifocal leptomeningeal metastasis. Study Design: From our institution database, we retrospectively studied 19 patients diagnosed with MC in the cerebrospinal fluid (CSF) in 1997-2015, in order to evaluate tumor prognostic markers, histologic subtypes, and clinical outcome. Results: All patients were female, with a mean age of 53 years (range 36-75 years). The mean interval between diagnosis of breast carcinoma and MC was 28 months (range 6-62 months). The median survival from the time of diagnosis was 2 months (1-51 months). Sixteen cases (84%) were the ductal phenotype, 62% of which were of a high grade (grade 3), and 3 cases (16%) were lobular. Estrogen and progesterone receptors were positive on immunohistochemistry (IHC) in 53 and 33% of patients, respectively. HER2 IHC was positive (3+) in 20% of the cases; all were amplified by fluorescence in situ hybridization. The incidence of MC in triple-negative tumors was 40%. Twelve patients (63%) already had known metastasis at the time of diagnosis. Conclusions: Most cases of MC are high-grade ductal. MC is more common in triple-negative breast cancers. The outcome of these breast cancer patients with MC was poor. There was no survival difference according to age, histologic subtype, grade, or hormonal or HER2 status.

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