House — Episode 8 (Season 6): “Ignorance is Bliss”
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A so-so mystery, but an interesting patient on this week’s episode of House.

James Sidas was a brilliant physics prodigy who quit the field twelve years ago and now works as a deliveryman. While he is delivering some books one day, he develops a hand tremor and some confusion. He is admitted to House’s team at Princeton-Plainsboro Hospital, with the presenting complaints of ataxia (loss of coordination), anemia, and a mild cough. A CT scan was negative, as was a screen for toxin screen. The team’s initial differential diagnosis consists of West Nile Virus, hyperbilirubinemia (high bilirubin levels in the blood), meningitis, sickle cell anemia, or TTP (thrombotic thrombocytopenic purpura). The last one seems the most likely so House has his team check a blood smear and AdamTS13 antibodies. The blood smear shows schistocytes (fragmented red blood cells), a sign of TTP, so they decide to begin treatment. Usually, plasmapheresis is treatment of choice, but James is allergic to one of the components of the procedure, so instead they perform a splenectomy — a removal of his spleen. The surgery goes well, but while Chase is examining him afterward, James begins to show symptoms of a stroke. He is rushed to the cath lab, where the clot in the brain is removed by a special catheter, “blood flow is restored,” and there is no permanent brain damage.
The fact that James suffered a stroke after his spleen was removed suggests that he did not have TTP. The differential now consists of CNS vasculitis (inflammation of the blood vessels in the brain), DIC (disseminated intravascular coagulation), acquired pancytopenia (low white cells, red cells, and platelets), or a toxin exposure. The team reasons that the basic toxin screen only tests for a few toxins, and they need to test for more. Chase and Taub are sent to search James’s apartment, while Thirteen and Foreman run an expanded toxicity screen. The apartment shows signs of mice (and Taub suggests James may have Leptospirosis), and a hidden bottle of booze.
The team now suspects that James has liver failure, probably due to alcohol abuse. When confronted, James admits to having a shot of vodka each day after work, but denies being an alcoholic. The team proceeds with a liver biopsy, which is normal. The liver function tests show a slightly elevated albumin, but are otherwise normal. Thirteen now deduces that James has renal (kidney) failure, not liver failure. The reasons for the kidney failure could be rhabdomyolysis (muscle damage), multiple myeloma (cancer of the blood forming cells), polycystic kidney disease, or Goodpasture’s Syndrome (an autoimmune disease that affects the kidneys and lungs). Goodpasture’s seems the most likely, so James is started on unnamed “immunosuppresant drugs” and dialysis. After a Eureka! moment in a conversation with Wilson, House realizes that James has been abusing dextromethorphan (DXM, also known as the DM in “Robitussin DM”). He has been taking it to suppress his intelligence, and taking the alcohol along with it to make it work better. The chronic abuse of the drug has caused his symptoms.
With an aggressive regimen, the drug is cleared from James’s system and his natural intelligence once again emerges. Due to his brilliance, he finds it impossible to relate to his wife anymore, and she herself realizes that he is no longer “the man she married.” While Foreman is trying to explain the situation to James’s wife, he begins to complain that he can’t feel his legs. Foreman evaluates and finds that James has no feeling in his legs at all. The team half-heartedly throws out some ideas including vitamin B12 deficiency, bone marrow malignancy (i.e. cancer of the bone marrow), and lupus, but none of them fit well. House talks to James who admits he had been abusing the dextromethorphan because, while he was intelligent, he was extremely unhappy. He tried to commit suicide once by jumping off of a tall building, but he survived, just busting some ribs. It was while he was in the hospital recovering from these injuries that he was given some narcotic pain medication, and he enjoyed the way it made him feel dumb. After discharge, he sought out the dextromethorphan because it made him feel the same way. Hearing about the history of broken ribs, House realizes that in the suicide attempt, James injured his spleen, causing it to split into multiple smaller (accessory) spleens. Chase thought he removed the spleen, but he removed only one and James still has several more. His ultimate diagnosis is the same one he started with: TTP. Once the rest of the spleens are removed, his TTP will be under better control. He decides to go back on the dextromethorphan though because he’d rather be dumb and happy than intelligent and alone.

For the second week in a row, There were no major errors that jumped out at me in tonight’s episode. The team did their usual combination overlooking certain findings and overtesting/undertesting (diagnosing renal failure without checking renal labs, for instance). Once again, that’s not to say I have no complaints…As usual, minor complaints are in blue, nit-picking ones in green:
Surely before Chase operated on James, he got an abdominal CT scan to double check the anatomy, and surely he would have seen at least one extra spleen (or unexplained mass) on the scan.
If James’s problem had been due to the DXM abuse, which they said caused brain damage, then clearing the drug from his system would not have returned him to his baseline but would have left behind some permanent damage.
Liver biopsy is not performed that early in someone with liver failure. There is much you can discover with labs and CTs/ultrasounds before you go plunging a needle into the liver of someone who is low on platelets.
Did James have accessory spleens or splenosis? It sounds more like the latter to me, but this is not my area of expertise.
The “Otis Campbell” mnemonic is for seizures, not strokes.
I’m not an expert on street drugs, as shown in my review a few weeks ago, but the affects of DMX that House and James describe don’t match what I see in the literature. Unless they’re saying that James went around high and tripping all the time, which you’d think somebody would notice.
What’s the House team going to do when they encounter someone who actually knows how to close a vent?
So James has Thrombotic Thrombocytopenic Purpura without the thrombocytopenia or the purpura? (OK, they implied a low platelet count late in the episode when they mentioned pancytopenia, but that was the only mention. Purpura? Never mentioned).
Schistocytes can be seen in other conditions besides TTP. DIC, for instance.
The team just gives up when James can’t feel his legs? And this is House’s All Star team?
Whatever happened to the ADAMTS13 testing from the beginning of the show? Might it have remained unmentioned because it would have given the final solution away too early?
Convenient how it was mentioned in the beginning that James’s CT was “clear”, but it was never mentioned what the CT was of…

A few brief words about the soap opera: while I enjoyed the way Cuddy tricked House, I found most of the Cuddy/House/Lucas scenes to be excruciating. On the other hand, I appreciated the fact that both Chase and Taub (especially Chase) were shown to be more devious than previously suspected.

The medical mystery was pretty good this week, but more due to the patient than the mystery itself. I give it a B. The final solution made a certain amount of sense. Spleens can “multiply” after trauma, and there have been cases where doctors removed the largest thinking it was the only one. I give in another B. Overall, the medicine was fairly strong, and earns yet another B. The soap opera had a few good parts, but was weighed down by the House/Cuddy/Lucas scene earning a meager C.
Last week’s House review
A list of all prior House reviews
The hygiene hypothesis is a legitimate and controversial scientific theory concerning the rise in asthma and allergy rates in industrialized nations. Some researchers link it to autoimmune diseases as well.
At the very least, clean the skin first — I don’t want any nasty skin bacteria pushed into brain which is what you are drilling into.
Yes, eclampsia can occur after delivery — I was taught that it could occur up to six weeks later (and you’ll notice it was one of my
Kutner’s whole intestinal perforation theory just makes no sense (not to mention there is no actual intestinal perforation involved in it). Maybe it’s just me and I’m missing something, but the whole concept was an impossible dead end from the very beginning.
Cancer stem cells don’t work quite the way House describes. Cancer stem cells may grow into different types of cells, but one of their hallmarks is that they form tumors, which should show up at autopsy or on a CT scan. And once again we’re back to the cornea, which is bloodless, so
No eye protection during the brain surgery. And they did so well last week.
A short time later, House and the team notice that Martin has a lace-like rash over his arms and legs (
House orders a re-check of the blood cultures and Foreman recommends a heart biopsy. As Dr. 13 completes the heart biopsy, Kumar drops a hint to House that Martin regained some of his old memories while in the hot tub. Taking the items found in the patient’s car by Big Love and Dr. 13, House pretends to be Robert Elliot (the patient’s real name) in an attempt to jog the patient’s memory. With the help of vaporub, he succeeds and discovers that Robert/Martin is a traveling farm equipment salesman and has developed an Eperythrozoon infection from pig feces (a type of bacteria found in certain animals, including pigs and ruminants. It has been known to infection humans on occasion, though I can find no listing of serious infections).
Later, while Adam is in the 