[PPTH Diagnostics Conference Room — January 30, 2005, 11:00 AM]
House had brought bagels.
This was the first sign something was wrong. House didn't bring food. House consumed food — cafeteria sandwiches, vending machine snacks, Wilson's lunches pillaged from the oncology refrigerator — but he didn't provide it. Generosity from House was like a sunny day during monsoon season: pleasant on the surface, deeply suspicious in context.
The bagels sat in a paper bag on the conference table, accompanied by three types of cream cheese and a stack of napkins. Cameron took one without comment. Foreman inspected the bag's origin — Einstein Bros, not the hospital cafeteria — and took two. Chase took one while it was free and available, because Chase's relationship with opportunity was uncomplicated by analysis.
Isaac took nothing. The bagels were bait, and the trap was whatever came after.
"New case." House limped to the whiteboard with the particular energy he reserved for puzzles that excited him — faster gait, sharper movements, the cane keeping time with a tempo that had increased by twenty percent. "Forty-seven-year-old male. History of fatigue and bone pain for six weeks. Mild anemia on routine labs. Primary care sent him here because the anemia's progressive and doesn't respond to iron supplementation."
The marker squeaked. FATIGUE. BONE PAIN. PROGRESSIVE ANEMIA. IRON-REFRACTORY.
"Primary care ran a basic workup — CBC, iron studies, reticulocyte count. Everything points to a production problem, not a destruction problem." House wrote BONE MARROW on the board and circled it. "Something's wrong with the factory."
"Multiple myeloma," Foreman said. The first suggestion, delivered with the confident speed of a neurologist who'd spent enough years in general medicine to recognize the pattern. "Bone pain, anemia, fatigue. Classic presentation."
"Protein electrophoresis was normal." House crossed out MYELOMA before Foreman finished speaking. "No M-spike. No Bence Jones protein. Myeloma's out."
"MDS?" Cameron offered. "Myelodysplastic syndrome would explain the refractory anemia. Progressive bone marrow failure."
"Possible. But his smear shows normal morphology. No dysplastic changes." House wrote MDS? on the board with a question mark that looked more like a threat than punctuation. "What else?"
Chase contributed aplastic anemia. House added it to the list. The differential grew: pure red cell aplasia, bone marrow infiltration, hemophagocytic lymphohistiocytosis. The team argued, proposed, eliminated. The diagnostic machine was running at full speed, and Isaac was watching it with the specific focus of a man who'd searched the Memory Palace three times and found nothing.
The case wasn't from the show. Isaac had expected that — non-show cases had been appearing regularly since week three, the timeline diverging enough that new patients materialized from the altered probability space his presence had created. But this case was also unfamiliar medically. The Memory Palace's medical wing had no exact match for the combination of symptoms with the negative workup results House was presenting. Progressive anemia, bone pain, normal protein electrophoresis, normal smear morphology. The individual symptoms pointed in too many directions, and the negative results eliminated the obvious destinations.
"Burke." House turned from the whiteboard. The blue eyes found Isaac with the targeting precision Isaac had learned to associate with deliberate provocation. "You've been quiet. Thoughts?"
The room's attention shifted. Cameron's gaze moved to Isaac — professional now, the personal warmth of two weeks ago replaced by a courteous distance that was somehow worse than coldness. Foreman watched with the data-collector's attention he'd maintained since revealing his spreadsheet. Chase looked up from the bagel he was eating with the mild interest of a spectator at a sporting event.
Isaac searched the Memory Palace one final time. The medical wing offered partial matches — dozens of conditions that could produce some of these symptoms but not all. None that fit the full picture with the negative results included. Transparent World was useless from across the conference table — the patient was in a room on the third floor, beyond the power's functional range.
"I'd want to see the patient," Isaac said. Careful. Honest. The response of a doctor who didn't have an answer and was admitting it through the request for more data.
"You'd want to see the patient." House repeated the words with the particular emphasis that transformed a statement into an exhibit. "Not a theory? Not a differential contribution? Just 'I'd want to see the patient'?"
"The workup so far has eliminated the common causes. Without examining him directly, I'd be guessing."
"You don't usually guess." House's voice was neutral. Too neutral. The manufactured casualness of a man conducting an experiment and recording the results. "You usually know. Sometimes before the differential starts."
The room went quiet. The accusation — implicit, disguised as observation — landed in the silence the way House's accusations always landed: precisely, unavoidably, with the impact of a statement that everyone heard and no one knew how to address.
Isaac held the gaze. "Not this time."
House studied him for three seconds. Five. Then he turned back to the whiteboard and wrote BONE MARROW BIOPSY in red. "Get the biopsy. Foreman, you're on the procedure. Burke, you're on the physical exam since you want to see the patient so badly. Cameron, history. Chase, try not to eat all the bagels before noon."
---
[PPTH Patient Room 408 — 1:30 PM]
The patient's name was David Reeves. Forty-seven, construction foreman, the kind of man whose body had been built by physical labor and was now being disassembled by something he couldn't see. Isaac examined him with the thoroughness of a doctor who genuinely didn't know what he was looking for — vitals, heart, lungs, abdomen, lymph nodes, skin. Methodical. Complete. Unhurried.
Then Transparent World.
Isaac activated the surface scan while checking Reeves' lymph nodes — hands on the man's neck, the physical contact providing cover for the visual overlay that bloomed beneath his fingers. The scan showed inflammation in the bone marrow, visible through the ribcage as a diffuse warmth pattern — not the focal brightness of a tumor or the patchy involvement of myeloma, but a uniform, spread-across-everything warmth that suggested the entire marrow compartment was involved.
Deep focus. Isaac pushed through the surface layer, the headache arriving at the twenty-second mark. The bone marrow's architecture was abnormal — the normal fat-and-cell mixture replaced by something denser, more cellular, the marrow packed with material that shouldn't be there. Not cancer cells. Not the dysplastic cells of MDS. Something else. A fibrous infiltration, the marrow being replaced by connective tissue that was strangling the blood-producing cells.
Fibrosis. The marrow was fibrotic.
Isaac pulled back from the Transparent World. The headache settled into its usual post-deep-focus band across his forehead. He finished the physical exam, made notes on the chart, and walked back to the conference room with the diagnosis sitting in his chest like a coal he couldn't decide whether to share.
The biopsy results would show it. Foreman was performing the procedure this afternoon. By tomorrow morning, the pathology would confirm myelofibrosis — a progressive bone marrow disorder where fibrosis replaced normal marrow, causing anemia, bone pain, and eventually organ damage from extramedullary hematopoiesis. Rare enough that it hadn't topped anyone's differential. Common enough that the biopsy would identify it without difficulty.
Isaac could say it now. Walk into the conference room, name the diagnosis, explain the reasoning. The surface scan had given him enough visual data to construct a plausible clinical argument — the spleen was enlarged (he'd palpated it during the abdominal exam), the bone pain was diffuse rather than focal, the anemia was normocytic rather than microcytic. Myelofibrosis fit the presentation. He could make the case.
But House was watching. House had constructed this case specifically — Isaac was certain of it now — to test whether Isaac would produce another impossible diagnosis. The trap wasn't the disease. The trap was the speed. If Isaac diagnosed myelofibrosis before the biopsy results returned, he'd confirm House's theory that his knowledge came from somewhere beyond normal clinical reasoning.
Isaac walked past the conference room. Went to the men's room. Sat in the fourth-floor stall — the one with the Chase graffiti, his personal decompression chamber since November 15th — and waited.
The biopsy results came back the next morning. Foreman read them at the conference table, his expression carrying the satisfied precision of a man whose procedure had produced definitive data.
"Myelofibrosis." Foreman set the pathology report on the table. "Grade three fibrosis on reticulin stain. Megakaryocyte clustering. JAK2 mutation positive." He looked at House. "Treatment is supportive — transfusions for the anemia, hydroxyurea for the splenomegaly, consideration for allogeneic transplant if he progresses."
"Good work." House directed the compliment at Foreman — unusual, pointed, the kind of specific praise that House deployed when making a comparative statement. Good work, Foreman. Not you, Burke.
The differential had been solved without Isaac. The patient would be treated. The case would close. And House's notebook would gain a new entry — Isaac Burke, confronted with a rare disease outside his apparent knowledge base, had failed to produce the impossible diagnosis. Had asked to see the patient instead. Had been wrong, or at least insufficient, in a way that the first six months of his career hadn't previously demonstrated.
Isaac caught House's gaze across the conference room. The expression there was complex — satisfaction at confirming a hypothesis, disappointment at what the confirmation implied. House had learned something. Isaac's knowledge had boundaries. The question was where those boundaries lay and what they meant.
"You had nothing on this one," House said. Not accusatory. Observational. The clinical tone of a diagnostician recording a symptom.
"No. I didn't."
"That's interesting." House pocketed his Vicodin bottle. "Most interesting wrong answer I've gotten all year."
He left. The cane tapped its measured exit. Isaac sat at the table with the pathology report in front of him and the specific relief of a man who'd been tested and had, by failing, passed.
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