A good episode of House with a fascinating premise and some good soap opera and social moments. The medicine was average, but didn’t hurt the episode much.

Nick Greenwald is a successful book editor who, while at a party launching his star author’s latest book, finds himself blurting out truth after uncomfortable truth to those around him. He then develops a nosebleed and collapses.
Nick is admitted to House’s service where the team notes that he reminds them of the classic case of Phineas Gage (a railroad worker who suffered personality changes after a spike was driven through his brain). Nick is showing signs of frontal lobe disinhibition, but there is no sign of a frontal lobe tumor as his head MRI is negative. Thirteen suggests that there may be a tumor hidden in the nasal cavity, but a nasopharyngoscope shows nothing. Next, an fMRI (functional MRI — an MRI that looks at blood flow within the brain) is obtained and reveals an abnormal area in the cingulate gyrus. Thirteen remarks that it’s too near the brainstem to biopsy, then Foreman mentions that it might be neurosarcoidosis (sarcoidosis which affects the central nervous system). Steroids are started to treat the presumed sarcoidosis.
Nick suddenly becomes very short of breath. Foreman states that it’s not his heart because the EKG is normal, so it must be kidney failure, and starts him on dialysis.
I’m not clear exactly what’s supposed to be happening here. I think they’re suggesting that Nick is short of breath because of
pulmonary edema (fluid building up in the lungs). This is normally due to heart failure, but can be kidney related too. Of course, the EKG is not a good test at all for heart failure. A
diuretic, like
furosemide, is normally given to treat the fluid build up, but if the kidneys aren’t working right, the diuretic won’t either, so Foreman chooses to go with
dialysis and more-or-less bypass the kidneys. At least this is what I
think is happening. You’ll notice that this is different than how Kutner treats pulmonary edema later in the episode, so I could certainly be misreading what may be nothing more than quasi-medical hand waving on the part of the writers.
The differential now includes systemic sclerosis and chronic lymphocytic leukemia (both of which are quickly dismissed), as well as diabetes, and some sort of “congenital genetic disorder.” Foreman points out that there are too many genetic disorders to test for them all. House has Taub run a glucose tolerance test to check for diabetes, and has Kutner check Nick’s daughter for peripheral nerve damage because she suffers from some ill-defined neurological disorder and he thinks the condition might be inherited. The peripheral nerve test is normal, and Taub reports that the glucose tolerance test was completely normal and never above 120 for the entire night. House now wants to check the thyroid, but before the test can be ordered, Nick develops a fever, coughing, and pulmonary edema. Kutner orders 200MG of furosemide (a diuretic) and 2MG of morphine (primarily a pain killer, it also helps with pulmonary edema).
With Nick’s temperature at 103° (39C), the team now considers infection as the likely cause of his symptoms. Foreman mentions Staph aureus, tuberculosis, and strongyloides (threadworm). Kutner determines that a stray dog is living with Nick’s family and he and House suspect that Nick has developed Weil’s Disease (leptospirosis — an infection caused by the Leptospira genus of bacteria). He is started on doxycycline (an antibiotic) and his condition improves. Kutner and Foreman tell him that while the infection is cured, his brain damage and disinhibition are going to be permanent. Nick wants surgery to remove the damaged area, but they tell him it is too risky. He talks to House, who apparently sees some of himself in Nick, and talks Chase into getting his boss — a neurosurgeon — to perform the surgery. Initially, the surgery seems successful, but then it quickly becomes clear that Nick still blurts out whatever crosses his mind. That’s not all though, as his temperature starts falling dangerously low and he develops unstable ventricular tachycardia (and this is the right time to use the paddles). The arrhythmia is corrected and an echocardiogram is obtained, but shows no structural heart damage. Nick continues to have an abnormal temperature. The differential diagnosis now leans toward cancer, but Foreman rather cavalierly dismisses the idea. He orders a full body scan. This shows a small abdominal aneurysm (dismissed as an incidental finding), a cyst in the pleura (the membrane surrounding the lungs — also dismissed as an incidental finding), and a density in the liver. Foreman suspects this density represnts an ateriovenous malformation (AVM) and that multiple AVMs would explain the patient’s condition. He wants to go forward with angiography with embolization (a test to find and then block off the AVMs).
House is in New York with Wilson, but the team is texting him to keep in touch. In the middle of a conversation about Wilson’s guilt over his schizophrenic brother, House has his Eureka! moment. The glucose tolerance test that was normal should not have been normal because Nick was on steroids, which raise a person’s blood sugar. The fact that it did not rise, combined with the cyst — which is really a fibroma — in the pleura means that Nick has Doege-Potter Syndrome (a fibrous tumor that secretes insulin-like compounds and causes low blood sugar; Kutner mentions human growth hormone, but other similar chemicals can also be secreted). Nick has also developed an autoimmune reaction to the tumor, and his immune system has gone into overdrive and attacked his own body (brain, kidney, heart in this case). Removing the tumor should solve his problems — the medical ones at least.
They’re really weren’t any huge medical errors this week, just the usual hodge-podge of symptoms and diagnoses that really don’t fit. The worst was Foreman’s clueless statement about cancer, so that gets the prize this week. Well, there was also that one scene, but I’ve already spent enough space talking about it.
As usual, major complaints are in red, minor in blue, nit-picking in green:
A normal PSA, normal colonoscopy, and normal blood count absolutely do not rule out cancer. Admittedly, colon cancer and prostate cancer are the most common cancers in a man Nick’s age, but there are plenty of other cancers out there (plus there are concerns about how reliable the PSA test actually is).
Diabetes doesn’t really fit his symptoms at all — other than the kidney disease. Of course, it was just an excuse to run the glucose tolerance test.
Speaking of the glucose tolerance test, the patient needs to be fasting, and it doesn’t take 12 hours to run.
It’s true that the steroids should have raised Nick’s sugars, but even a normal patient whose blood sugar didn’t rise above 120 after a hefty glucose load would be unusual.
Brain damage and peripheral nerve damage are two different things. It’s more common to have one without the other than both together.
If Nick’s kidneys are shot and he requires dialysis (a very important fact that was never mentioned again in the show; the dialysis that is, not the kidneys), then even 200MG of Lasix is not going to have any effect.
An MRI of the brain should have shown any nasal cavity tumor, especially one that was eroding into the brain.
Too many genetic disorders to test for them all? But they tested for them all in at least two previous episodes.
House doesn’t like full body scans? Then why does the team order them so regularly.
A cyst is hollow, a fibroma is solid. A scan should be able to tell the difference.
I thought the medical mystery was good this week, it was interesting not only from a medical perspective, but also fascinating from a social perspective. It made me wonder what horrible secrets I might spill. I give it an A. The solution was fairly logical, even if it did require two diagnoses (Doege-Potter + autoimmune). It earns a B+. The medicine was average for the show and I give it a C; it might have scored higher had that one scene been clearer. The soap opera was the best part of the episode. There were good House/Wilson and House/Taub interactions (the squash racket was great), and the patient’s social interactions were like a car crash: painful, but impossible to look away. The soap opera earns a solid A.
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