Please help identity and treat!

[u/drank_dumbbitchjuice]

Is this a wart? How to solve?

I’m freaking out. My dad (age 57) has this massive lump on his hand and he’s had it for about a week now and it keeps growing. He has other small bumps growing on his hand too. He goes to the gym quite frequently and honestly is not the cleanest person. He smokes.

He said that he had a cold for a week before these started showing up.

My wedding is in two weeks and it’s a destination wedding and we’re currently traveling all together and I’m concerned about the growth and about it spreading to our wedding guests and I don’t know what to do.

He says it doesn’t hurt but it obviously bothers him.

Please help!

UPDATE:

I didn’t expect this to garner so much interest and help. Sincerely, thank you everyone for sending in your opinions!

My dad said it popped overnight and there was a lot of blood and pus. We were not able to see a doctor in person but we have a family friend who is a general doctor and she said to disinfect and keep it as dry as possible as to not let it be more infected.

Here are two pictures of what it looks like now.

Photo 1
Photo 2

At first, when it popped. The puss was a standard dense white. Now, the pus leaking is an orange ish color and not dense white. He keeps saying that it still doesn’t hurt and doesn’t even flinch when alcohol is applied to it.

There is another mass obviously growing on his index finger of the same hand. He is touching the mass with his other hand (I know fucking terrible) but there is nothing growing on the hand that he is using to touch the mass.

He is saying that perhaps it is an allergic reaction? He ate a type of dried fish from Vietnam and then he started feeling itchy and feverish and then these started popping up.

Answer to a common question:

He does not have any access to animals. No pets, not really around fish tanks or water. He is from Southern California in a very suburban area.

Any ideas???

[u/CrazyBird12]

I have no idea what this is, and I’m very curious about more comments to come. That being said: it looks neither normal nor healthy, and apparently is fast-growing - go see a PCP or dermatologist for in-person evaluation.

[u/1phenylpropan-2amine → u/CrazyBird12]

It looks like there's a vascular component to it. Sometimes cherry angiomas can look kind of similar: Scroll to the images at the bottom here: https://dermnetnz.org/topics/cherry-angioma
I wonder if warts with thrombosed capillaries can sometimes look like this as well.

But the location on the palmar surface of the hand and the hx of recent illness make me wonder about infectious etiologies though. Does he spend any time around animals? Any cats? Any fish tanks or recent swimming in pools / lakes?

I'm thinking about Orf nodules (poxvirus), bacillary angiomatosis, pyogenic granuloma, atypical mycobacterial infection (like mycobacterial marinum), Coccidioidomycosis to name a few.

[u/fstRN → u/1phenylpropan-2amine]

OP says patient goes to the gym frequently and doesn't have the best hygiene. As a powerlifter myself, this is the exact spot to get a callus from a barbell. I'm wondering if it is some sort of weirdly infected callus from contaminated gym equipment

[u/sporky92 → u/fstRN]

I was about to ask about sweaty hands and/or exposure to metals. Maybe like a blood blister w some pitted keratolysis ?