{"uid":"cap_mJlA3mSn6F7H7IMHUQXai","slug":"fuhrman-nuclear-grade-lookup-renal-cell-carcinoma-6f08de9c","name":"Fuhrman Nuclear Grade Lookup (Renal Cell Carcinoma)","description":"Fuhrman 1982 nuclear grade for renal cell carcinoma as assigned by the caller (grades 1-4). Returns the grade and the published nuclear-feature description. magent does not read slides. Not WHO/ISUP 2016. Not an RCC diagnosis. Not a medical device.","url":"https://api.magentlab.com/api/calc/fuhrman","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"headers":{"type":"object","additionalProperties":{"type":"string"}},"queryParams":{"type":"object","required":["fuhrman_grade"],"properties":{"fuhrman_grade":{"type":"integer","description":"Fuhrman 1982 nuclear grade 1-4 as assigned by the caller (1 small ~10 μm round uniform nuclei, nucleoli absent or inconspicuous; 2 larger ~15 μm nuclei with outline irregularities, nucleoli visible at ×400; 3 even larger ~20 μm with obvious irregular outline, nucleoli prominent at ×100; 4 as for grade 3 with bizarre often multilobed nuclei ± spindle cells). Integer 1-4 only; reject 0, 5, 1.5, and roman I. Not WHO/ISUP 2016. magent does not read slides."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_D0_geYFviZ3-5zaQxkDkh","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the Fuhrman 1982 nuclear grade description for renal cell carcinoma given a caller-assigned grade integer (1–4).","exampleAgentPrompt":"The pathologist assigned a Fuhrman nuclear grade of 3 to this renal cell carcinoma specimen — can you pull the published 1982 nuclear feature description for Fuhrman grade 3?","exampleUseCases":[{"title":"Embedding Fuhrman grade in pathology report","prompt":"I need to include the official Fuhrman 1982 nuclear feature description in a structured pathology report for a patient whose RCC was graded Fuhrman 2 — can you look that up?"},{"title":"Clinical trial data standardization","prompt":"We're standardizing RCC pathology records for a clinical trial database; the pathologist recorded Fuhrman grade 4 — retrieve the published description so we can attach it to the record."},{"title":"Oncology education reference lookup","prompt":"I'm teaching oncology residents and want to show them the exact nuclear morphology criteria for Fuhrman grade 1 from the original 1982 publication — can you retrieve that description?"}],"resultDescription":"Returns the submitted Fuhrman grade integer (1–4) along with the published 1982 nuclear feature description for that grade (e.g., for grade 3: nuclei approximately 20 μm with obvious irregular outlines and nucleoli prominent at ×100 magnification).","failureModes":["Invalid grade value (0, 5, non-integer like 1.5, or Roman numerals) — API rejects input; only integers 1–4 are accepted","Missing fuhrman_grade query parameter — request fails validation","Network or service unavailability — standard HTTP error response"],"whenToPreferThis":"Choose this endpoint when you need to programmatically retrieve the canonical Fuhrman 1982 nuclear grade description for renal cell carcinoma given a pathologist-assigned integer grade. It is not a diagnostic tool, does not read slides, does not apply WHO/ISUP 2016 criteria, and should not be used as a substitute for pathology interpretation. Prefer it for structured data enrichment, report generation, or clinical documentation pipelines where the grade has already been assigned by a qualified pathologist.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:30:23.628Z","isFirstParty":false}