Ninja Nerd

• Testicular Cancer

  Ninja Nerds!In this episode of the Ninja Nerd Podcast, Zach and Rob discuss testicular cancer, one of the most common solid tumors in young adult men.We begin with a classic clinical vignette of a young male presenting with a painless testicular mass. From there, we explore the epidemiology and key risk factors for testicular germ cell tumors, including cryptorchidism, family history, and Klinefelter syndrome (in rare cases of nonseminomatous tumors like mediastinal choriocarcinoma). We then distinguish between the two major types: seminomas and nonseminomas—breaking down their unique biological behaviors and typical age distributions.Our discussion dives deep into the pathophysiology of germ cell tumors, highlighting tumor markers like AFP, β-hCG, and LDH, and how they guide diagnosis and treatment. We walk through the classic presentations of seminomas (often β-hCG positive and radiosensitive) versus nonseminomas (associated with aggressive behavior and elevated AFP/β-hCG levels).Next, we focus on the diagnostic workup, including scrotal ultrasound, serum tumor marker analysis, and CT imaging for staging. We emphasize the importance of inguinal orchiectomy as both a diagnostic and therapeutic intervention.Finally, we cover treatment strategies based on stage and histology—ranging from surveillance and radiation therapy for early-stage seminomas to cisplatin-based chemotherapy regimens and retroperitoneal lymph node dissection (RPLND) for advanced or nonseminomatous disease.Don’t miss it—let’s get into it, Ninja Nerds!Support the show

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• Urinary Tract Malignancies

  Ninja Nerds!In this episode of the Ninja Nerd Podcast, Zach and Rob dive into the essential clinical and pathophysiologic features of urinary tract malignancies, beginning with renal cell carcinoma (RCC) and followed by urothelial carcinoma of the bladder.We start with a patient case of renal cell carcinoma, exploring the epidemiology and risk factors such as smoking, obesity, hypertension, and inherited syndromes like von Hippel-Lindau disease. The discussion focuses on the pathophysiology of clear cell RCC, particularly the loss of VHL gene function and dysregulation of the HIF pathway, leading to increased angiogenesis.We review the classic triad of RCC—flank pain, hematuria, and a palpable abdominal mass—along with common paraneoplastic syndromes, including polycythemia and hypercalcemia. Diagnostic evaluation includes CT imaging of the abdomen and pelvis, with treatment strategies ranging from partial or radical nephrectomy to immune checkpoint inhibitors and targeted therapies for advanced disease.Next, we shift to a patient with urothelial carcinoma, highlighting epidemiologic risks like tobacco use, occupational exposures, chronic inflammation, and cyclophosphamide.Clinical signs such as painless hematuria, irritative voiding symptoms, and hydronephrosis are discussed alongside the diagnostic approach: urine cytology, cystoscopy with biopsy, and CT urography. Management strategies include TURBT, intravesical BCG, radical cystectomy, and systemic chemotherapy, based on staging and risk.Support the show

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  29:41

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• Prostate Cancer

  Ninja Nerds!In this episode of the Ninja Nerd Podcast, Zach and Rob break down the essential clinical and pathophysiologic features of Prostate Cancer, one of the most common malignancies affecting men worldwide.We begin with the epidemiology and risk factors, highlighting age, race, family history, and androgen exposure. From there, we explore the pathogenesis of prostate cancer, focusing on the role of androgen receptor signaling.The discussion covers clinical manifestations, including urinary symptoms, back pain from bone metastases, and signs of spinal cord compression. We also examine the utility and controversy surrounding PSA screening, along with digital rectal exam findings and the importance of prostate biopsy for histologic confirmation, emphasizing Gleason scoring and its prognostic significance.Next, we analyze imaging modalities like multiparametric MRI and bone scans, and review treatment strategies based on risk stratification, ranging from active surveillance and radical prostatectomy to radiation therapy and androgen deprivation therapy (ADT).Support the show

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  34:59

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• Colorectal Cancer

  Ninja Nerds!In this episode of the Ninja Nerd Podcast, Zach and Rob discuss Colorectal Cancer. This comprehensive discussion focuses on the clinical presentation, pathogenesis, and management of one of the most common malignancies encountered in clinical practice.We start by breaking down the epidemiology and risk factors, covering both sporadic and inherited forms—highlighting Lynch syndrome and familial adenomatous polyposis (FAP). From there, we analyze the adenoma-carcinoma sequence and key molecular mutations such as APC, KRAS, and p53.The conversation then shifts to clinical features and how tumor location influences presentation—such as iron deficiency anemia in right-sided lesions and obstructive symptoms in left-sided tumors. We’ll walk through the diagnostic workup, including colonoscopy findings, biopsy, and imaging, and review the role of CEA as a tumor marker.Finally, we discuss treatment strategies based on TNM staging, including surgical resection, adjuvant chemotherapy regimens like FOLFOX, and the importance of routine screening protocols for early detection.This episode has high-yield insights to help you excel on exams and confidently approach colorectal cancer in clinical settings.🎧 Tune in, take notes, and let’s conquer colorectal cancer—one polyp at a time.Support the show

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• Brain Tumors

  Ninja Nerds!In this episode of the Ninja Nerd Podcast, Zach and Rob explore the complex world of Brain Tumors. We explore the key types of brain tumors—both primary and metastatic—and examine their clinical implications through high-yield pathophysiology, neuroanatomy, and diagnostic principles.The discussion begins with an overview of tumor classification, distinguishing between supratentorial and infratentorial masses, and covers the most common tumors seen in adults versus children. Zach then breaks down the characteristic features, origins, and imaging findings of high-yield tumors like glioblastoma, meningioma, schwannoma, and brain metastases—including a patient case involving adenocarcinoma with metastasis to the brain. For pediatric tumors, we highlight medulloblastoma, ependymoma, and pilocytic astrocytoma, focusing on their clinical presentations and radiographic findings.We’ll also discuss the signs and symptoms associated with increased intracranial pressure, focal neurologic deficits, and paraneoplastic syndromes. Finally, the episode reviews diagnostic strategies and introduces key treatment principles, including surgical resection, radiotherapy, and chemotherapy, depending on tumor type and location.This episode is packed with clinically relevant material to help you crush your exams and prepare for real-world applications.🎧 Listen, learn, and laugh as we tackle brain tumors—one neuron at a time.Support the show

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