Publications by authors named "Megan Kummerlowe"

Lithium remains a gold standard treatment for bipolar disorder including during peripartum. Historically, guidelines advised against breastfeeding while taking lithium though recent data suggest it is acceptable for a healthy infant. Lack of awareness of acceptability contributes to decreased patient and clinician comfort and low breastfeeding rates.

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Background: In men with a rising PSA following radical prostatectomy, salvage radiation therapy (SRT) offers a second chance for cure. Hormonal therapy can be combined with SRT in order to increase prostate tumor control, albeit with associated higher rates of treatment side effects. This trial studies the effectiveness of SRT combined with hormonal therapy using a more potent anti-androgen with a favorable side effect profile.

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Purpose: Reirradiation for recurrent glioma remains controversial without knowledge of optimal patient selection, dose, fractionation, and normal tissue tolerances. We retrospectively evaluated outcomes and toxicity after conventionally fractionated reirradiation for recurrent high-grade glioma, along with the impact of concurrent chemotherapy.

Methods And Materials: We conducted a retrospective review of patients reirradiated for high-grade glioma recurrence between 2007 and 2016 (including patients with initial low-grade glioma).

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Purpose: We report a very unique case of an esophageal metastasis from a pancreatic ductal adenocarcinoma (PDAC) primary.

Methods: After obtaining consent from the patient, all relevant records of the case were obtained and retrospectively reviewed.

Results: At presentation, the patient was diagnosed with synchronous pancreatic and esophageal cancer.

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Purpose: We evaluated the toxicity associated with stereotactic radiosurgery (SRS) and whole brain radiation therapy (WBRT) in elderly and very elderly patients with brain metastases, as the role of SRS in geriatric patients who would traditionally receive WBRT is unclear.

Methods And Materials: We conducted a retrospective review of elderly patients (aged 70-79 years) and very elderly patients (aged ≥80 years) with brain metastases who underwent RT from 2010 to 2015 at Johns Hopkins Hospital. Patients received either upfront WBRT or SRS for metastatic solid malignancies, excluding small cell lung cancer.

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Purpose: To prospectively evaluate cognitive function and intracranial failure patterns after hippocampal-sparing prophylactic cranial irradiation (PCI) for limited-stage small cell lung cancer (SCLC).

Methods And Materials: Adults with limited-stage SCLC, achieving a complete response to chemoradiotherapy and no brain metastases, were eligible. Patients received PCI 25 Gy/10 fractions, with a mean hippocampal dose limited to <8 Gy and ≥90% of the brain receiving 90% of the prescription.

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Purpose: Stereotactic radiosurgery (SRS) is widely used to treat brain metastases in place of whole brain radiation therapy (WBRT), with the goal of reducing treatment toxicity balanced against the risk of developing new metastases. We evaluated outcomes of repeated courses of SRS in the management of new brain metastases as an alternative to salvage WBRT.

Methods And Materials: We conducted a single-institution retrospective review of 239 patients treated with SRS without WBRT for brain metastases from 2004 to 2014.

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Purpose: To evaluate the prevalence, outcomes, and toxicities of concurrent delivery of systemic therapy with stereotactic radiosurgery (SRS) for treatment of brain metastases.

Methods And Materials: We conducted a retrospective review of 193 patients treated at our institution with SRS without prior whole-brain radiation therapy (WBRT) for brain metastases between 2009 and 2014. Outcome metrics included administration of concurrent systemic therapy, myelosuppression, neurotoxicity, and survival.

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